{"id":121450,"date":"2022-05-17T16:55:54","date_gmt":"2022-05-17T11:25:54","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=121450"},"modified":"2022-05-17T16:55:54","modified_gmt":"2022-05-17T11:25:54","slug":"what-do-you-understand-by-terms-primary-key-and-secondary-key-in-a-database","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/education\/what-do-you-understand-by-terms-primary-key-and-secondary-key-in-a-database","title":{"rendered":"What do you understand by terms \u2018primary key\u2019 and \u2018secondary key\u2019 in a database?"},"content":{"rendered":"<h2>What do you understand by terms \u2018primary key\u2019 and \u2018secondary key\u2019 in<br \/>\na database?<\/h2>\n<h3>Answer.<br \/>\nA primary key is a field that identifies each record in a database table<br \/>\nadmitting that the primary key must contain its UNIQUE values.<br \/>\nA secondary key shows the secondary value that is unique for each<br \/>\nrecord. It can be used to identify the record and it is usually indexed.<br \/>\nIt is also termed as Alternate key.<\/h3>\n<h2><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>What do you understand by terms \u2018primary key\u2019 and \u2018secondary key\u2019 in a database? Answer. A primary key is a field that identifies each record in a database table admitting that the primary key must contain its UNIQUE values. A secondary key shows the secondary value that is unique for each record. It can be [&hellip;]<\/p>\n","protected":false},"author":21830,"featured_media":121365,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":{"0":"post-121450","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-education"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/users\/21830"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/comments?post=121450"}],"version-history":[{"count":1,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121450\/revisions"}],"predecessor-version":[{"id":121451,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121450\/revisions\/121451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/121365"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=121450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=121450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=121450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}