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aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Structured Query Language</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 85 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-85" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">85 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/SQL" title="SQL – schweizertyska" lang="gsw" hreflang="gsw" data-title="SQL" data-language-autonym="Alemannisch" data-language-local-name="schweizertyska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%84%D8%BA%D8%A9_%D8%A7%D9%84%D8%A7%D8%B3%D8%AA%D8%B9%D9%84%D8%A7%D9%85%D8%A7%D8%AA_%D8%A7%D9%84%D9%85%D9%87%D9%8A%D9%83%D9%84%D8%A9" title="لغة الاستعلامات المهيكلة – arabiska" lang="ar" hreflang="ar" data-title="لغة الاستعلامات المهيكلة" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/SQL" title="SQL – asturiska" lang="ast" hreflang="ast" data-title="SQL" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/SQL" title="SQL – azerbajdzjanska" lang="az" hreflang="az" data-title="SQL" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%8F%E0%A6%B8%E0%A6%95%E0%A6%BF%E0%A6%89%E0%A6%8F%E0%A6%B2" title="এসকিউএল – bengali" lang="bn" hreflang="bn" data-title="এসকিউএল" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/SQL" title="SQL – min nan" lang="nan" hreflang="nan" data-title="SQL" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/SQL" title="SQL – belarusiska" lang="be" hreflang="be" data-title="SQL" data-language-autonym="Беларуская" data-language-local-name="belarusiska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/SQL" title="SQL – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="SQL" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/SQL" title="SQL – bulgariska" lang="bg" hreflang="bg" data-title="SQL" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/SQL" title="SQL – bayerska" lang="bar" hreflang="bar" data-title="SQL" data-language-autonym="Boarisch" data-language-local-name="bayerska" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/SQL" title="SQL – bosniska" lang="bs" hreflang="bs" data-title="SQL" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/SQL" title="SQL – bretonska" lang="br" hreflang="br" data-title="SQL" data-language-autonym="Brezhoneg" data-language-local-name="bretonska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – katalanska" lang="ca" hreflang="ca" data-title="Structured Query Language" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/SQL" title="SQL – tjeckiska" lang="cs" hreflang="cs" data-title="SQL" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/SQL" title="SQL – walesiska" lang="cy" hreflang="cy" data-title="SQL" data-language-autonym="Cymraeg" data-language-local-name="walesiska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – danska" lang="da" hreflang="da" data-title="Structured Query Language" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/SQL" title="SQL – tyska" lang="de" hreflang="de" data-title="SQL" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Struktuurp%C3%A4ringukeel" title="Struktuurpäringukeel – estniska" lang="et" hreflang="et" data-title="Struktuurpäringukeel" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/SQL" title="SQL – grekiska" lang="el" hreflang="el" data-title="SQL" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/SQL" title="SQL – engelska" lang="en" hreflang="en" data-title="SQL" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/SQL" title="SQL – spanska" lang="es" hreflang="es" data-title="SQL" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/SQL" title="SQL – esperanto" lang="eo" hreflang="eo" data-title="SQL" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/SQL" title="SQL – baskiska" lang="eu" hreflang="eu" data-title="SQL" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%B3%E2%80%8C%DA%A9%DB%8C%D9%88%D8%A7%D9%84" title="اس‌کیوال – persiska" lang="fa" hreflang="fa" data-title="اس‌کیوال" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – franska" lang="fr" hreflang="fr" data-title="Structured Query Language" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Teanga_Strucht%C3%BArtha_Iarratas" title="Teanga Struchtúrtha Iarratas – iriska" lang="ga" hreflang="ga" data-title="Teanga Struchtúrtha Iarratas" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/SQL" title="SQL – galiciska" lang="gl" hreflang="gl" data-title="SQL" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/SQL" title="SQL – hakka" lang="hak" hreflang="hak" data-title="SQL" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/SQL" title="SQL – koreanska" lang="ko" hreflang="ko" data-title="SQL" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/SQL" title="SQL – armeniska" lang="hy" hreflang="hy" data-title="SQL" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%8D%E0%A4%B8%E0%A4%95%E0%A5%8D%E0%A4%AF%E0%A5%82%E0%A4%8D%E0%A4%B2" title="ऍसक्यूऍल – hindi" lang="hi" hreflang="hi" data-title="ऍसक्यूऍल" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/SQL" title="SQL – kroatiska" lang="hr" hreflang="hr" data-title="SQL" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/SQL" title="SQL – indonesiska" lang="id" hreflang="id" data-title="SQL" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/SQL" title="SQL – interlingua" lang="ia" hreflang="ia" data-title="SQL" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/SQL" title="SQL – isländska" lang="is" hreflang="is" data-title="SQL" data-language-autonym="Íslenska" data-language-local-name="isländska" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – italienska" lang="it" hreflang="it" data-title="Structured Query Language" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/SQL" title="SQL – hebreiska" lang="he" hreflang="he" data-title="SQL" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/SQL" title="SQL – georgiska" lang="ka" hreflang="ka" data-title="SQL" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/SQL" title="SQL – kazakiska" lang="kk" hreflang="kk" data-title="SQL" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/SQL" title="SQL – kurdiska" lang="ku" hreflang="ku" data-title="SQL" data-language-autonym="Kurdî" data-language-local-name="kurdiska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/SQL" title="SQL – kirgiziska" lang="ky" hreflang="ky" data-title="SQL" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/SQL" title="SQL – latin" lang="la" hreflang="la" data-title="SQL" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/SQL" title="SQL – lettiska" lang="lv" hreflang="lv" data-title="SQL" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/SQL" title="SQL – litauiska" lang="lt" hreflang="lt" data-title="SQL" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – lombardiska" lang="lmo" hreflang="lmo" data-title="Structured Query Language" data-language-autonym="Lombard" data-language-local-name="lombardiska" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/SQL" title="SQL – ungerska" lang="hu" hreflang="hu" data-title="SQL" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/SQL" title="SQL – makedonska" lang="mk" hreflang="mk" data-title="SQL" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%8E%E0%B4%B8%E0%B5%8D.%E0%B4%95%E0%B5%8D%E0%B4%AF%E0%B5%81.%E0%B4%8E%E0%B5%BD." title="എസ്.ക്യു.എൽ. – malayalam" lang="ml" hreflang="ml" data-title="എസ്.ക്യു.എൽ." data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/SQL" title="SQL – malajiska" lang="ms" hreflang="ms" data-title="SQL" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/SQL" title="SQL – Mindong" lang="cdo" hreflang="cdo" data-title="SQL" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/SQL" title="SQL – burmesiska" lang="my" hreflang="my" data-title="SQL" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/SQL" title="SQL – nederländska" lang="nl" hreflang="nl" data-title="SQL" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/SQL" title="SQL – japanska" lang="ja" hreflang="ja" data-title="SQL" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – norskt bokmål" lang="nb" hreflang="nb" data-title="Structured Query Language" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/SQL" title="SQL – nynorska" lang="nn" hreflang="nn" data-title="SQL" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/SQL" title="SQL – Eastern Mari" lang="mhr" hreflang="mhr" data-title="SQL" data-language-autonym="Олык марий" data-language-local-name="Eastern Mari" class="interlanguage-link-target"><span>Олык марий</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/SQL" title="SQL – uzbekiska" lang="uz" hreflang="uz" data-title="SQL" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%90%E0%A9%B1%E0%A8%B8.%E0%A8%95%E0%A8%BF%E0%A8%8A.%E0%A8%90%E0%A9%B1%E0%A8%B2" title="ਐੱਸ.ਕਿਊ.ਐੱਲ – punjabi" lang="pa" hreflang="pa" data-title="ਐੱਸ.ਕਿਊ.ਐੱਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%DB%8C%D8%B3_%DA%A9%DB%8C%D9%88_%D8%A7%DB%8C%D9%84" title="ایس کیو ایل – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ایس کیو ایل" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/SQL" title="SQL – polska" lang="pl" hreflang="pl" data-title="SQL" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/SQL" title="SQL – portugisiska" lang="pt" hreflang="pt" data-title="SQL" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/SQL" title="SQL – rumänska" lang="ro" hreflang="ro" data-title="SQL" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/SQL" title="SQL – quechua" lang="qu" hreflang="qu" data-title="SQL" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/SQL" title="SQL – ryska" lang="ru" hreflang="ru" data-title="SQL" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/SQL" title="SQL – albanska" lang="sq" hreflang="sq" data-title="SQL" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – Simple English" lang="en-simple" hreflang="en-simple" data-title="Structured Query Language" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Structured_Query_Language" title="Structured Query Language – slovakiska" lang="sk" hreflang="sk" data-title="Structured Query Language" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/SQL" title="SQL – slovenska" lang="sl" hreflang="sl" data-title="SQL" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/SQL" title="SQL – serbiska" lang="sr" hreflang="sr" data-title="SQL" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/SQL" title="SQL – serbokroatiska" lang="sh" hreflang="sh" data-title="SQL" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/SQL" title="SQL – finska" lang="fi" hreflang="fi" data-title="SQL" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/SQL" title="SQL – tagalog" lang="tl" hreflang="tl" data-title="SQL" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%AE%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%B3%E0%AF%8D%E0%AE%B3_%E0%AE%B5%E0%AE%BF%E0%AE%A9%E0%AE%B5%E0%AF%81_%E0%AE%AE%E0%AF%8A%E0%AE%B4%E0%AE%BF" title="கட்டமைப்புள்ள வினவு மொழி – tamil" lang="ta" hreflang="ta" data-title="கட்டமைப்புள்ள வினவு மொழி" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/SQL" title="SQL – tatariska" lang="tt" hreflang="tt" data-title="SQL" data-language-autonym="Татарча / tatarça" data-language-local-name="tatariska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tet mw-list-item"><a href="https://tet.wikipedia.org/wiki/SQL" title="SQL – tetum" lang="tet" hreflang="tet" data-title="SQL" data-language-autonym="Tetun" data-language-local-name="tetum" class="interlanguage-link-target"><span>Tetun</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A0%E0%B8%B2%E0%B8%A9%E0%B8%B2%E0%B8%AA%E0%B8%AD%E0%B8%9A%E0%B8%96%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%8A%E0%B8%B4%E0%B8%87%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87" title="ภาษาสอบถามเชิงโครงสร้าง – thailändska" lang="th" hreflang="th" data-title="ภาษาสอบถามเชิงโครงสร้าง" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/SQL" title="SQL – tadzjikiska" lang="tg" hreflang="tg" data-title="SQL" data-language-autonym="Тоҷикӣ" data-language-local-name="tadzjikiska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/SQL" title="SQL – turkiska" lang="tr" hreflang="tr" data-title="SQL" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/SQL" title="SQL – ukrainska" lang="uk" hreflang="uk" data-title="SQL" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%DB%8C%D8%B3_%DA%A9%DB%8C%D9%88_%D8%A7%DB%8C%D9%84" title="ایس کیو ایل – urdu" lang="ur" hreflang="ur" data-title="ایس کیو ایل" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/SQL" title="SQL – vietnamesiska" lang="vi" hreflang="vi" data-title="SQL" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/SQL" title="SQL – wu" lang="wuu" hreflang="wuu" data-title="SQL" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/SQL" title="SQL – yoruba" lang="yo" hreflang="yo" data-title="SQL" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/SQL" title="SQL – kantonesiska" lang="yue" hreflang="yue" data-title="SQL" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/SQL" title="SQL – kinesiska" lang="zh" hreflang="zh" data-title="SQL" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q47607#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> 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data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><p><b>Structured Query Language</b> (SQL) är ett standardiserat <a href="/wiki/Programspr%C3%A5k" title="Programspråk">programspråk</a> för att hämta och modifiera data i en <a href="/wiki/Relationsdatabas" title="Relationsdatabas">relationsdatabas</a>. </p><p>SQL uttalas bokstav för bokstav eller ibland "s'ikuell" som i engelskans "sequel". Det officiella uttalet från <a href="/wiki/American_National_Standards_Institute" title="American National Standards Institute">ANSI</a>-standardiseringskommissionen är bokstav för bokstav. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=1" title="Redigera avsnitt: Historia" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=1" title="Redigera avsnitts källkod: Historia"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>1970 publicerade <a href="/wiki/IBM" title="IBM">IBM</a>:s Dr. <a href="/wiki/Edgar_F._Codd" title="Edgar F. Codd">Edgar F. Codd</a> en artikel i <a href="/wiki/Association_for_Computing_Machinery" title="Association for Computing Machinery">Association for Computing Machinery</a> (ACM) journal<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Denna artikel kom att bli den accepterade grunden för relationsdatabashanteringssystem <i>(engelska: relational database management systems)</i>, allmänt kallat (<a href="/w/index.php?title=RDBMS&action=edit&redlink=1" class="new" title="RDBMS [inte skriven än]">RDBMS</a> eller <a href="/w/index.php?title=RDMS&action=edit&redlink=1" class="new" title="RDMS [inte skriven än]">RDMS</a>). </p><p>Under 1970 utvecklade ett par forskare vid IBM:s forskningscenter i <a href="/wiki/San_Jose,_Kalifornien" title="San Jose, Kalifornien">San Jose</a> "<a href="/wiki/IBM_System_R" title="IBM System R">System R</a>", som i stort sett baserades på Codds modell. <b>Structured English Query Language</b> (<i>"SEQUEL"</i>) var formgivet för att manipulera och extrahera data från System R. Akronymen <i>SEQUEL</i> byttes senare ut mot SQL eftersom 'SEQUEL' var ett varumärke som den brittiska flygplanstillverkaren <a href="/wiki/Hawker_Siddeley" title="Hawker Siddeley">Hawker Siddeley</a> ägde. Donald D. Chamberlin och Raymond F. Boyce hade blivit influerade av Codds artikel när de formgav språket SEQUEL. </p><p>Trots att utvecklingen av SQL hade blivit påverkad av Codds arbete<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup>, var deras förhoppningar att intresset för SQL skulle öka med deras artikel. </p><p>Den första icke kommersiella relationsdatabasen utvecklades på <a href="/wiki/University_of_California,_Berkeley" title="University of California, Berkeley">UC Berkeley</a> 1974, och fick namnet <a href="/wiki/Ingres" class="mw-redirect" title="Ingres">Ingres</a>. </p><p>Under 1978 testade <a href="/wiki/IBM" title="IBM">IBM</a> systemet ute hos sina kunder, för att försöka påvisa nyttan och styrkan i systemet. Testet fick en sådan genomslagskraft för IBM att de började utveckla en kommersiell produkt som implementerade SQL-standarden som baserades på deras prototyp av <a href="/wiki/IBM_System_R" title="IBM System R">System R</a>. IBM gick ut 1978 om att de snart skulle släppa <a href="/w/index.php?title=System/38&action=edit&redlink=1" class="new" title="System/38 [inte skriven än]">System/38</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> I augusti 1979 släpptes den kommersiella varianten av System/38. System/38 följdes av <a href="/w/index.php?title=SQL/DS&action=edit&redlink=1" class="new" title="SQL/DS [inte skriven än]">SQL/DS</a> 1981 och <a href="/wiki/DB2" title="DB2">DB2</a> 1983. </p><p>Samtidigt som IBM läste Codds artikel, så läste ett annat företag också artikeln och förstod dess betydelse. Företaget hette då Relational Software Inc, men bytte sedan namn till <a href="/wiki/Oracle" title="Oracle">Oracle</a>. Oracle specialskrev sin RDBMS för <a href="/wiki/US_Navy" class="mw-redirect" title="US Navy">US Navy</a>, <a href="/wiki/Central_Intelligence_Agency" title="Central Intelligence Agency">CIA</a> och andra myndigheter. Sommaren 1979 lanserade Oracle V2 (Version2) för <a href="/wiki/VAX" title="VAX">VAX</a>-datorer. V2 var den första kommersiella implementationen av SQL. Elaka tungor brukar säga att Oracle hann lansera sin RDBMS två år före IBM, när sanningen är att lanseringen bara var några veckor före. Intresset för RDBMS och dess styrka att hantera stora datamängder resulterade i att IBM:s och Oracles försäljningar ökade drastiskt under flera år. Strax efter började flera andra programvarubolag tillverka sina egna versioner. </p><p>1986 fastslog <a href="/wiki/American_National_Standards_Institute" title="American National Standards Institute">American National Standards Institute</a> (ANSI) SQL som en standard. 1987 antog också <a href="/wiki/Internationella_standardiseringsorganisationen" title="Internationella standardiseringsorganisationen">Internationella standardiseringsorganisationen</a> (ISO) SQL som en standard. </p><p>Enligt ANSI skall SQL uttalas <small>engelskt uttal: </small><span title="Pronunciation in IPA" class="IPA"><a href="/wiki/Internationella_fonetiska_alfabetet" title="Internationella fonetiska alfabetet">[/ɛs kjuː ɛl/]</a></span>, men många engelskspråkiga databasprogrammerare och tekniker kallar det fortfarande för <i>sequel</i>. I Sverige är det vanligast att man uttalar varje bokstav, det vill säga S-Q-L. </p> <div class="mw-heading mw-heading2"><h2 id="Revisioner">Revisioner</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=2" title="Redigera avsnitt: Revisioner" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=2" title="Redigera avsnitts källkod: Revisioner"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r51224235">.mw-parser-output table.ambox{margin:0 10%;border-collapse:collapse;background:#fbfbfb;border:1px solid #aaa;border-left:10px solid #608ec2}.mw-parser-output table.ambox th.ambox-text,.mw-parser-output table.ambox td.ambox-text{padding:.25em .5em;width:100%}.mw-parser-output table.ambox td.ambox-image{padding:2px 0 2px .5em;text-align:center;vertical-align:middle}.mw-parser-output table.ambox td.ambox-imageright{padding:2px 4px 2px 0;text-align:center;vertical-align:middle}.mw-parser-output table.ambox-notice{border-left:10px solid #608ec2}.mw-parser-output table.ambox-delete,.mw-parser-output table.ambox-serious{border-left:10px solid #b22222}.mw-parser-output table.ambox-content{border-left:10px solid #f28500}.mw-parser-output table.ambox-style{border-left:10px solid #f4c430}.mw-parser-output table.ambox-merge{border-left:10px solid #9932cc}.mw-parser-output table.ambox-protection{border-left:10px solid #bba}.mw-parser-output .ambox+link+.ambox{border-top-width:0}.mw-parser-output .messagebox{border:1px solid #aaaaaa;background-color:#f8f9fa;width:80%;margin:0 auto 1em auto;padding:.2em}.mw-parser-output .messagebox.merge{border:1px solid #c0b8cc;background-color:#f0e5ff;text-align:center}.mw-parser-output .messagebox.cleanup{border:1px solid #9f9fff;background-color:#efefff;text-align:center}.mw-parser-output .messagebox.standard-talk{border:1px solid #c0c090;background-color:#f8eaba}.mw-parser-output .messagebox.nested-talk{border:1px solid #c0c090;background-color:#f8eaba;width:100%;margin:2px 4px}</style><table class="metadata ambox ambox-content" style=""> <tbody><tr> <td class="ambox-image"> <div style="width:52px;"><span typeof="mw:File"><a href="/wiki/Fil:Ambox_outdated_serious.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Ambox_outdated_serious.svg/40px-Ambox_outdated_serious.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Ambox_outdated_serious.svg/60px-Ambox_outdated_serious.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Ambox_outdated_serious.svg/80px-Ambox_outdated_serious.svg.png 2x" data-file-width="620" data-file-height="620" /></a></span></div></td> <td class="ambox-text">Det här avsnittet <b>innehåller inaktuella uppgifter och behöver uppdateras</b>. <small>(2023-07)</small><br />Motivering: <i>Fler revisioner har kommit</i> <hr /> <span style="font-size:85%">Hjälp gärna Wikipedia att åtgärda problemet genom att <span class="plainlinks" title="tryck här för att redigera denna artikel"><a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Structured_Query_Language&action=edit">redigera artikeln</a></span> eller diskutera saken på <a href="/wiki/Diskussion:Structured_Query_Language" title="Diskussion:Structured Query Language">diskussionssidan</a>.</span></td> </tr> </tbody></table> <table border="0" cellpadding="5" cellspacing="0" align="center"> <tbody><tr> <th style="background:#efefef;">År </th> <th style="background:#efefef;">Namn </th> <th style="background:#efefef;">Kallas </th> <th style="background:#efefef;">Kommentar </th></tr> <tr> <td><a href="/wiki/1986" title="1986">1986</a></td> <td>SQL-87</td> <td>SQL-87 </td> <td>Antogs först av <a href="/wiki/American_National_Standards_Institute" title="American National Standards Institute">ANSI</a> och ratificerades av <a href="/wiki/Internationella_standardiseringsorganisationen" title="Internationella standardiseringsorganisationen">ISO</a> <a href="/wiki/1987" title="1987">1987</a>. </td></tr> <tr> <td><a href="/wiki/1989" title="1989">1989</a></td> <td>SQL-89</td> <td></td> <td>Mindre revidering. </td></tr> <tr> <td><a href="/wiki/1992" title="1992">1992</a></td> <td>SQL-92</td> <td>SQL2 </td> <td>Stor revidering. </td></tr> <tr> <td><a href="/wiki/1999" title="1999">1999</a></td> <td>SQL:1999</td> <td>SQL3 </td> <td>Fastslog standard för <a href="/w/index.php?title=SQL_trigger&action=edit&redlink=1" class="new" title="SQL trigger [inte skriven än]">triggers</a>, <a href="/wiki/Rekursion" title="Rekursion">rekursiva</a> frågor, sökningar på <a href="/wiki/Regulj%C3%A4ra_uttryck" title="Reguljära uttryck">reguljära uttryck</a>, icke skalära datatyper och några <a href="/wiki/Objektorienterad_programmering" title="Objektorienterad programmering">objektorienterade funktioner</a>. För många relationsdatabasutvecklare är det väldigt kontroversiellt med de icke skalära datatyperna och de objektorienterade funktionerna och det har ännu inte blivit fullt infört i de olika databasmotorerna. </td></tr> <tr> <td><a href="/wiki/2003" title="2003">2003</a></td> <td>SQL:2003</td> <td> </td> <td>Introduktion av XML-relaterade funktioner, <b>windowfunktioner</b>, standardiserade sekvenser och kolumner med autogenerade värden (vilket inkluderar identitet-kolumnen). (Se <a rel="nofollow" class="external text" href="https://dl.acm.org/doi/abs/10.1145/974121.974142">Eisenberg et al.: <i>SQL:2003 Has Been Published</i></a>) </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Databasmotorer_som_stödjer_SQL"><span id="Databasmotorer_som_st.C3.B6djer_SQL"></span>Databasmotorer som stödjer SQL</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=3" title="Redigera avsnitt: Databasmotorer som stödjer SQL" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=3" title="Redigera avsnitts källkod: Databasmotorer som stödjer SQL"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/DB2" title="DB2">DB2</a></li> <li><a href="/wiki/FirebirdSQL" title="FirebirdSQL">FirebirdSQL</a></li> <li><a href="/wiki/Informix" title="Informix">Informix</a></li> <li><a href="/wiki/InterBase" class="mw-redirect" title="InterBase">InterBase</a></li> <li><a href="/wiki/MariaDB" title="MariaDB">MariaDB</a></li> <li><a href="/wiki/Microsoft_Access" title="Microsoft Access">Microsoft Access</a></li> <li><a href="/wiki/Microsoft_SQL_Server" title="Microsoft SQL Server">Microsoft SQL Server</a></li> <li><a href="/wiki/Microsoft_SQL_Server" title="Microsoft SQL Server">Microsoft SQL Server Express</a></li> <li><a href="/wiki/Mimer_SQL" title="Mimer SQL">Mimer SQL</a></li> <li><a href="/wiki/Microsoft_SQL_Server" title="Microsoft SQL Server">MSDE</a></li> <li><a href="/wiki/MySQL" title="MySQL">MySQL</a></li> <li><a href="/wiki/Oracle" title="Oracle">Oracle</a></li> <li><a href="/wiki/PostgreSQL" title="PostgreSQL">PostgreSQL</a></li> <li><a href="/wiki/Sybase" title="Sybase">Sybase</a></li> <li><a href="/wiki/SQLite" title="SQLite">SQLite</a></li> <li><a href="/w/index.php?title=Pervasive_SQL&action=edit&redlink=1" class="new" title="Pervasive SQL [inte skriven än]">Pervasive SQL</a></li> <li><a href="/wiki/Filemaker" title="Filemaker">Filemaker</a></li> <li><a href="/w/index.php?title=R:BASE&action=edit&redlink=1" class="new" title="R:BASE [inte skriven än]">R:BASE</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Exempel_på_SQL-frågor"><span id="Exempel_p.C3.A5_SQL-fr.C3.A5gor"></span>Exempel på SQL-frågor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=4" title="Redigera avsnitt: Exempel på SQL-frågor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=4" title="Redigera avsnitts källkod: Exempel på SQL-frågor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Hämta ut värdena <b>namn</b> och <b>arbetsplats</b> från tabellen <b>Person</b> där värdet <b>stad</b> är lika med <i><b>Stockholm</b></i>, sorterat efter värdet <b>namn</b>.</li></ul> <div class="mw-highlight mw-highlight-lang-sql mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="k">SELECT</span><span class="w"> </span><span class="n">namn</span><span class="p">,</span><span class="w"> </span><span class="n">arbetsplats</span><span class="w"> </span> <span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">Person</span><span class="w"> </span> <span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">stad</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Stockholm'</span><span class="w"> </span> <span class="w"> </span><span class="k">ORDER</span><span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="n">namn</span><span class="p">;</span> </pre></div> <ul><li>Lägg till en person i tabellen <b>Person</b> med värdena <b>namn</b> = <i><b>Göran</b></i>, <b>arbetsplats</b> = <i><b>Riksdagen</b></i> och <b>stad</b> = <i><b>Stockholm</b></i>.</li></ul> <div class="mw-highlight mw-highlight-lang-sql mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">Person</span><span class="w"> </span><span class="p">(</span><span class="n">namn</span><span class="p">,</span><span class="w"> </span><span class="n">arbetsplats</span><span class="p">,</span><span class="w"> </span><span class="n">stad</span><span class="w"> </span><span class="p">)</span><span class="w"> </span> <span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="s1">'Göran'</span><span class="p">,</span><span class="w"> </span><span class="s1">'Riksdagen'</span><span class="p">,</span><span class="w"> </span><span class="s1">'Stockholm'</span><span class="p">);</span> </pre></div> <ul><li>Sätt värdet <b>namn</b> till <i><b>Fredrik Reinfeldt</b></i> för alla personer i tabellen <b>Person</b> som har <b>yrke</b> lika med <i><b>Statsminister</b></i>.</li></ul> <div class="mw-highlight mw-highlight-lang-sql mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="k">UPDATE</span><span class="w"> </span><span class="n">Person</span><span class="w"> </span> <span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="n">namn</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Fredrik Reinfeldt'</span><span class="w"> </span> <span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">yrke</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Statsminister'</span><span class="p">;</span> </pre></div> <ul><li>Ta bort alla personer som har värdet <b>stad</b> satt till <i><b>Atlantis</b></i> från tabellen <b>Person</b>.</li></ul> <div class="mw-highlight mw-highlight-lang-sql mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="k">DELETE</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">Person</span><span class="w"> </span> <span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">stad</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'Atlantis'</span><span class="p">;</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=5" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=5" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text">Codd, E.F. A Relational Model of Data for Large Shared Data Banks. Communications of the ACM, Vol. 13, No. 6, June 1970, ss. 377–387, tillgänglig <a rel="nofollow" class="external text" href="http://www.acm.org/classics/nov95/toc.html">här</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070612235326/http://www.acm.org/classics/nov95/toc.html">Arkiverad</a> 12 juni 2007 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text">Donald D. Chamberlin and Raymond F. Boyce, 1974. "<a rel="nofollow" class="external text" href="http://portal.acm.org/citation.cfm?id=811515">SEQUEL: A structured English query language</a>", International Conference on Management of Data, Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control, Ann Arbor, Michigan, pp. 249–264</span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text"><a rel="nofollow" class="external free" href="https://www.ibm.com/ibm/history/history/year_1978.html">https://www.ibm.com/ibm/history/history/year_1978.html</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Structured_Query_Language&veaction=edit&section=6" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Structured_Query_Language&action=edit&section=6" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.databasteknik.se/webbkursen/sql/index.html"><i>Introduktion till frågespråket SQL</i></a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Structured_Query_Language&oldid=54832426">https://sv.wikipedia.org/w/index.php?title=Structured_Query_Language&oldid=54832426</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategori</a>: <ul><li><a href="/wiki/Kategori:Programspr%C3%A5k" title="Kategori:Programspråk">Programspråk</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Dolda kategorier: <ul><li><a href="/wiki/Kategori:Ej_uppdaterad_2023-07" title="Kategori:Ej uppdaterad 2023-07">Ej uppdaterad 2023-07</a></li><li><a href="/wiki/Kategori:Ej_uppdaterad-samtliga" title="Kategori:Ej uppdaterad-samtliga">Ej uppdaterad-samtliga</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Sidan redigerades senast den 2 juni 2024 kl. 01.00.</li> <li id="footer-info-copyright">Wikipedias text är tillgänglig under licensen <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.sv">Creative Commons Erkännande-dela-lika 4.0 Unported</a>. 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