目录第一种： create table 新表 select * from 旧表 第二种： 只复制表结构到新表 create table 新表 like 旧表 第三种：单纯复制旧表的数据到新表 （假设两个表结构相同） insert into 新表 selec
I\'ve been writing Windows Services for a while and they always seem to work fine for things that开发者_开发问答 need to run every day, few times a week, once a month, etc. but I\'ve been lately think
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