MySQL相关知识总结
摘要:1. 显示所有表 show tables; 还有information_schema数据库里面有tables表,记录了所有表信息 use information_schema; select * from tables; 2. MySQL联合查询更新 update a , b set a.name=
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posted @ 2015-04-07 17:17
posted @ 2015-04-07 17:17