select 語句

1.into 插入語句blog 建立一個新表，幷包含原表的兩列數據產品 if OBJECT_ID('tb_jishu') is not null    drop table tb_jishu io select 國家,產品 into tb_jishu from jishutable select * from tb_jishu test 2.[ ],[^]通配符，betweeendate sele

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