是否可以构造SQL来连接多行的列值？
以下是一个例子:
表A.
PID A B C
表B.
PID SEQ Desc A 1 Have A 2 a nice A 3 day. B 1 Nice Work. C 1 Yes C 2 we can C 3 do C 4 this work!
SQL的输出应该是 -
PID Desc A Have a nice day. B Nice Work. C Yes we can do this work!
所以输出表的Desc列基本上是表B的SEQ值的串联？
有没有SQL的帮助？