update a set a = b.a ,b=b.b ,c=b.c from t a,t b where (a.条件1) and (b.条件2) 本文共 122 字，大约阅读时间需要 1 分钟。
update a set a = b.a ,b=b.b ,c=b.c from t a,t b where (a.条件1) and (b.条件2) 转载于:https://www.cnblogs.com/maowh/p/3529253.html