摘要: select t.*, t.rowid from a_gys t,mms_gys b where t.gys=b.gysmc for updateselect * from a_gys t where not exists (select * from mms_gys b where t.gys=b... 阅读全文
posted @ 2015-08-31 17:28 飛燕88 阅读(105) 评论(0) 推荐(0) 编辑