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mysql优化 - mysql 多表联合查询，求一个效率最高的查询
天蓬老师
天蓬老师 2017-04-17 16:36:55
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洪涛
洪涛2017-04-17 16:38:55 1 floor 
SELECT money FROM C 
LEFT JOIN B ON C.type=B.type
LEFT JOIN A ON A.uid=B.uid
WHERE A.oid=11
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