{"id":330,"date":"2018-09-05T07:39:43","date_gmt":"2018-09-04T21:39:43","guid":{"rendered":"http:\/\/www.mrmarkyoung.com\/oracle\/?p=330"},"modified":"2018-09-06T07:12:32","modified_gmt":"2018-09-05T21:12:32","slug":"primary-keys-without-auto-increment-mysql","status":"publish","type":"post","link":"http:\/\/www.mrmarkyoung.com\/oracle\/2018\/09\/05\/primary-keys-without-auto-increment-mysql\/","title":{"rendered":"Primary Keys without auto increment (MYSQL)"},"content":{"rendered":"<p>How do you check that all primary keys have an auto increment function? Well here is how to do it.<\/p>\n<pre class=\"lang:default decode:true \" >SELECT distinct\r\n    u.table_name, u.column_name, u.constraint_name, c.extra\r\nFROM\r\n    INFORMATION_SCHEMA.KEY_COLUMN_USAGE u, INFORMATION_SCHEMA.COLUMNS  c\r\nWHERE\r\n\tu.TABLE_NAME=c.TABLE_NAME\r\n    and u.COLUMN_NAME=c.COLUMN_NAME\r\n    AND u.TABLE_SCHEMA=c.TABLE_SCHEMA\r\n    AND u.CONSTRAINT_NAME = 'PRIMARY'\r\n    AND u.TABLE_SCHEMA = 'mytoll'\r\n    AND c.extra <> 'auto_increment';\r\n <\/pre>\n","protected":false},"excerpt":{"rendered":"<p>How do you check that all primary keys have an auto increment function? Well here is how to do it. SELECT distinct u.table_name, u.column_name, u.constraint_name, c.extra FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE u, INFORMATION_SCHEMA.COLUMNS c WHERE u.TABLE_NAME=c.TABLE_NAME and u.COLUMN_NAME=c.COLUMN_NAME AND u.TABLE_SCHEMA=c.TABLE_SCHEMA AND u.CONSTRAINT_NAME = &#8216;PRIMARY&#8217; AND u.TABLE_SCHEMA = &#8216;mytoll&#8217; AND c.extra &#8216;auto_increment&#8217;;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-330","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/posts\/330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/comments?post=330"}],"version-history":[{"count":3,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/posts\/330\/revisions"}],"predecessor-version":[{"id":334,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/posts\/330\/revisions\/334"}],"wp:attachment":[{"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/media?parent=330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/categories?post=330"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.mrmarkyoung.com\/oracle\/wp-json\/wp\/v2\/tags?post=330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}