标签：java sp 数据 问题 ad bs ef as sql
============问题描述============
============解决方案1============
UPDATE b SET b.PN = a.PN FROM a WHERE b.PN = ‘‘ and a.MH = LEFT (b.M, 7)
标签：java sp 数据 问题 ad bs ef as sql
原文地址：http://www.cnblogs.com/llj1985522/p/4042026.html
