1. a表中是否存在c的列IF COL_LENGTH('FeeType', 'ftName') IS NOT NULL select N'存在'as result ELSE select N'不存在' as result 2.通过代码插入列 Read More
posted @ 2014-04-23 10:40 梦醒心晴 Views(167) Comments(0) Diggs(0)