{"id":5857,"date":"2017-10-18T15:57:19","date_gmt":"2017-10-18T14:57:19","guid":{"rendered":"http:\/\/www.etlsolutions.com\/?p=5857"},"modified":"2017-10-19T11:48:48","modified_gmt":"2017-10-19T10:48:48","slug":"definition-of-a-relational-database","status":"publish","type":"post","link":"https:\/\/etlsolutions.com\/definition-of-a-relational-database\/","title":{"rendered":"Definition of a relational database"},"content":{"rendered":"<h2>Relational database:<\/h2>\n<p>A <a href=\"http:\/\/www.etlsolutions.com\/definition-of-a-database\/\">database<\/a> which stores data in tables, ensuring that it is relatively easy to access the information within it. Relational databases, first defined by Edgar Codd in 1970, are the most common type of database. They are characterised by Codd&#8217;s <a href=\"https:\/\/en.wikipedia.org\/wiki\/Codd%27s_12_rules\" target=\"_blank\">&#8220;twelve rules&#8221;.<\/a><\/p>\n<p>Our data management glossary is a free PDF containing over 60 terms. Download and keep the glossary for free by clicking the link below.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"336\" class=\"aligncenter size-full wp-image-5777\" src=\"https:\/\/etlsolutions.com\/wp-content\/uploads\/2017\/10\/Data-Management-Glossary.jpg\" alt=\"Data-Management-Glossary\" srcset=\"https:\/\/etlsolutions.com\/wp-content\/uploads\/2017\/10\/Data-Management-Glossary.jpg 400w, https:\/\/etlsolutions.com\/wp-content\/uploads\/2017\/10\/Data-Management-Glossary-250x210.jpg 250w, https:\/\/etlsolutions.com\/wp-content\/uploads\/2017\/10\/Data-Management-Glossary-120x101.jpg 120w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>&nbsp;<\/p>\n<div id=\"downloads\">\n<ul>\n<li><a href=\"http:\/\/www.etlsolutions.com\/data-management-glossary\/\">Visit the main glossary page and download the whole data management glossary<\/a><\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"Relational database: A database which stores data in tables, ensuring that it is relatively easy to access the information within it. Relational databases, first defined by Edgar Codd in 1970, are the most common type of database. They are characterised by Codd&#8217;s &#8220;twelve rules&#8221;. Our data management glossary is a free PDF containing over 60&#8230; <a class=\"view-article\" href=\"https:\/\/etlsolutions.com\/definition-of-a-relational-database\/\">View Article<\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","footnotes":""},"categories":[33],"tags":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/posts\/5857"}],"collection":[{"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/comments?post=5857"}],"version-history":[{"count":5,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/posts\/5857\/revisions"}],"predecessor-version":[{"id":5898,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/posts\/5857\/revisions\/5898"}],"wp:attachment":[{"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/media?parent=5857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/categories?post=5857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etlsolutions.com\/wp-json\/wp\/v2\/tags?post=5857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}