刪除b表中與a表不同的記錄 delete from b where not exists( select * from a where a.id=b.id and a. name =b. name ) delete from b where b.id not in ( select a.id from a) or b. name not in ( select a. name from a) delete from v9_pho
update v9_hits SET hitsid = REPLACE(hitsid,c-12-,c-13-) where 1 = ( case when(select COUNT(*) from v9_photo where id=replace(hitsid,c-12-,))0 then 1 else 0 end) updatev9_hitsSEThitsid=REPLACE(hitsid,c-12-,c-13-) fromv9_hits,v9_photowhereid=
因?yàn)樽罱_發(fā)的項(xiàng)目涉及到移動(dòng)設(shè)備上的 HTML5 開發(fā),其中需要實(shí)現(xiàn)輪播效果。然...
Linux服務(wù)器通過top命令查看mysqld的進(jìn)程CPU占用過高,我們可以使用Mysql的show...
update v9_hits SET hitsid = REPLACE(hitsid,c-12-,c-13-) where 1 = ( case w...
也是參考各位前輩的意見,一直測試,終于成功 PhpcmsV9 的 thumb有個(gè)麻煩,總是...
將QQ登陸接入到網(wǎng)站,參考官方文檔開發(fā)完成,測試接入進(jìn)行QQ登陸調(diào)試,報(bào)錯(cuò)redi...
使用Laravel進(jìn)行數(shù)據(jù)庫遷移文件開發(fā),有些字段我們需要建立索引, $table-strin...
安裝好Laravel 5.3之后,我們需要對時(shí)區(qū)進(jìn)行設(shè)置,默認(rèn)為UTC,配置文件路徑為:...
npm WARN Local package.json exists, but node_modules missing, did you mean...