表Aid uid
1 100
2 101
3 101
7 102表Bid uid
1 0
2 0
3 0
7 209如何写SQL语句,将A表UID字段值,赋值给B表UID字段,使之结果表Bid uid
1 100
2 101
3 101
7 102
1 100
2 101
3 101
7 102表Bid uid
1 0
2 0
3 0
7 209如何写SQL语句,将A表UID字段值,赋值给B表UID字段,使之结果表Bid uid
1 100
2 101
3 101
7 102
调试欢乐多
set b.uid=a.uid;
http://topic.csdn.net/u/20090501/15/7548d251-aec2-4975-a9bf-ca09a5551ba5.html