SQL: select * into b from a where 1<>1
51Testing软件测试网Q6d*k)s5~6_ d 51Testing软件测试网c`A PW,P 说明：拷贝表(拷贝数据,源表名：a 目标表名：b)
51Testing软件测试网r ?;`s)OZ!c 51Testing软件测试网2YV&A"n6ht SQL: insert into b(a, b, c) select d,e,f from a;
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51Testing软件测试网 m2x)R2{;C9v9b8W2kb 51Testing软件测试网2j:mJ d7v nA,M 说明：日程安排提前五分钟提醒
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P)m L%x gy*s0W0 datediff(’minute’,f开始时间,getdate())>5
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51Testing软件测试网 O+\w D3f0j v o BF'IB0L0 SELECT A.NUM, A.NAME, B.UPD_DATE, B.PREV_UPD_DATE
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51Testing软件测试网1cwV*arhOye 51Testing软件测试网 F Io,K0T@A 说明：四表联查问题：
:nR'q,Y O0in-G z"K0 51Testing软件测试网,\q3Og1SQ SQL: select * from a left inner join b on a.a=b.b right inner join c on
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