<\/span><\/h2>\n\n\n\nRDBMS l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7.<\/p>\n\n\n\n
RDBMS l\u00e0 c\u01a1 s\u1edf cho SQL, v\u00e0 cho t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i nh\u01b0 MS SQL Server, IBM DB2, Oracle, MySQL, v\u00e0 Microsoft Access.<\/p>\n\n\n\n
C\u00e1c d\u1eef li\u1ec7u trong RDBMS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ea3ng.<\/p>\n\n\n\n
M\u1ed9t b\u1ea3ng l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c d\u1eef li\u1ec7u li\u00ean quan, b\u1ea3ng bao g\u1ed3m c\u00e1c c\u1ed9t v\u00e0 c\u00e1c h\u00e0ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
SQL l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef chu\u1ea9n d\u00f9ng cho vi\u1ec7c truy c\u1eadp v\u00e0 thao t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u (database). SQL l\u00e0 g\u00ec? SQL l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Structured Query Language – Ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac; SQL cho ph\u00e9p b\u1ea1n truy c\u1eadp v\u00e0 thao t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u; SQL \u0111\u1ea1t …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239],"tags":[],"yoast_head":"\n
Gi\u1edbi thi\u1ec7u v\u1ec1 SQL • Ki\u1ebfn c\u00e0ng<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n","yoast_head_json":{"title":"Gi\u1edbi thi\u1ec7u v\u1ec1 SQL • Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/","og_locale":"vi_VN","og_type":"article","og_title":"Gi\u1edbi thi\u1ec7u v\u1ec1 SQL • Ki\u1ebfn c\u00e0ng","og_description":"SQL l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef chu\u1ea9n d\u00f9ng cho vi\u1ec7c truy c\u1eadp v\u00e0 thao t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u (database). SQL l\u00e0 g\u00ec? SQL l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Structured Query Language – Ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac; SQL cho ph\u00e9p b\u1ea1n truy c\u1eadp v\u00e0 thao t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u; SQL \u0111\u1ea1t …","og_url":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2015-02-28T07:47:00+00:00","author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"3 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/","url":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/","name":"Gi\u1edbi thi\u1ec7u v\u1ec1 SQL • Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2015-02-28T07:47:00+00:00","dateModified":"2015-02-28T07:47:00+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/gioi-thieu-ve-sql\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/gioi-thieu-ve-sql\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"Gi\u1edbi thi\u1ec7u v\u1ec1 SQL"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. T\u00f4i th\u00edch Content, SEO, Ads, T\u0103ng t\u1ed1c website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed. B\u00ean c\u1ea1nh b\u00e0i t\u1ef1 vi\u1ebft, t\u00f4i c\u0169ng d\u1ecbch nhi\u1ec1u n\u1ed9i dung th\u00fa v\u1ecb c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c nhau. FB c\u00e1 nh\u00e2n: facebook.com\/anhducnguyen87. Email li\u00ean h\u1ec7: guiemailchotoi@gmail.com","sameAs":["https:\/\/www.facebook.com\/anhducnguyen87\/"],"url":"https:\/\/kiencang.net\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/20238"}],"collection":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/comments?post=20238"}],"version-history":[{"count":0,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/20238\/revisions"}],"wp:attachment":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media?parent=20238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/categories?post=20238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/tags?post=20238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}