表A
A1
A2
A3
A4
01
02
03
04
03
04
01
02
表B
B1
B2
01
张三
02
李四
03
王五
04
赵六
显示结果
A1
A2
A3
A4
张三
李四
王五
赵六
王五
赵六
张三
李四
效果图:
sql语句如下
SELECT
(SELECT B2 FROM B WHERE B1=A1) AS A1,
(SELECT B2 FROM B WHERE B1=A2) AS A2,
(SELECT B2 FROM B WHERE B1=A3) AS A3,
(SELECT B2 FROM B WHERE B1=A4) AS A4
FROM A
这样就ok了