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查找重复数据
select id, name, memo from A where id in (select id from A group by id having count(1) >= 2)
UNIX时间戳转换为日期用函数: FROM_UNIXTIME()
select FROM_UNIXTIME(1156219870); |
日期转换为UNIX时间戳用函数: UNIX_TIMESTAMP()
Select UNIX_TIMESTAMP(’2006-11-04 12:23:00′);
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原文地址:http://www.cnblogs.com/fenle/p/4882914.html