DELETE 删除性能优化
摘要:
П╃вMe²º¹³ 23:08:57 在吗? 这语句你看有得救吗? delete from i_br_all_user_real t where exists (select 1 from i_br_card_return a where t.imsi_no = a.imsi_no and... 阅读全文
posted @ 2013-03-06 23:40 如果蜗牛有爱情 阅读(282) 评论(0) 推荐(0) 编辑