sql 语句比较
两个很基础的SQL 可是我一不小心就写错了。特此记录。
SELECT * FROM `jk_usertags` ut WHERE ut.`id` NOT IN (SELECT tagid FROM `jk_tagvsuser` GROUP BY tagid)
SELECT * FROM `jk_usertags` ut ,(SELECT tagid FROM `jk_tagvsuser` GROUP BY tagid) test WHERE ut.`id` NOT IN (test.tagid)
sql not in,布布扣,bubuko.com
sql not in
原文：http://www.cnblogs.com/bin-pureLife/p/3737418.html
