{"id":932,"date":"2016-04-29T20:46:26","date_gmt":"2016-04-30T01:46:26","guid":{"rendered":"http:\/\/xfloyd.net\/blog\/?p=932"},"modified":"2016-04-29T20:46:26","modified_gmt":"2016-04-30T01:46:26","slug":"how-to-compare-two-tables-in-mysql","status":"publish","type":"post","link":"https:\/\/xfloyd.net\/blog\/?p=932","title":{"rendered":"How to compare two tables in MySQL"},"content":{"rendered":"<p><code><br \/>\nSELECT pk, c1<br \/>\nFROM<br \/>\n (<br \/>\n   SELECT t1.pk, t1.c1<br \/>\n   FROM t1<br \/>\n   UNION ALL<br \/>\n   SELECT t2.pk, t2.c1<br \/>\n   FROM t2<br \/>\n)  t<br \/>\nGROUP BY pk, c1<br \/>\nHAVING COUNT(*) = 1<br \/>\nORDER BY pk<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SELECT pk, c1 FROM ( SELECT t1.pk, t1.c1 FROM t1 UNION ALL SELECT t2.pk, t2.c1 FROM t2 ) t GROUP BY pk, c1 HAVING COUNT(*) = 1 ORDER BY pk<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932"}],"collection":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=932"}],"version-history":[{"count":1,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932\/revisions"}],"predecessor-version":[{"id":933,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932\/revisions\/933"}],"wp:attachment":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}