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wangqinyun2000
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如标题A表ID SNO NAME A01 001 S0809A01 002 S0810A02 001 S0809A02 001 N09021 B表IDA01A02C表SNO NAME DATE001 S0809 2008.12.12002 S0810 2008.12.16001 S0809 2008.11.20001 N09021 2008.12.30表关系 A表.ID=B表.ID A表.SNO=C表.SNO A表.NAME=C表.NAME求一条SQL 语句,得到如下结果ID SNO NAME DATEA01 002 S0810 2008.12.16A02 001 N09021 2008.12.30