摘要: //多表查询:得到最新的数据后再执行多表查询SELECT *FROM `students` `st` RIGHT JOIN( SELECT * FROM ( SELECT * FROM goutong WHERE goutongs='asdf' ORDER BY time DESC )... 阅读全文
posted @ 2015-09-23 12:03 北斗极星 阅读(16537) 评论(1) 推荐(1) 编辑