对比复制a.select * from t1 inner join t2 on t1.id = t2.id inner join t3 on t1.id = t3.id where t1.a=1 and t2.b=1 and t3.c=1 b.select * from t1 inner join t2 on t1.id = t2.id and t2.b=1 inner join t3 on t1.id = t3.id where t1.a=1 and t3.c=1 c.select * from t1 inner join t2 on t1.id = t2.id and t2.b=1 inner join t3 on t1.id = t3.id and t3.c=1 where t1.a=1 1.2.3.4.5.6.7.8.9.10.11.12.13.14.
喜欢
讨厌