询:SQL这句怎么查表一:IDNAME1A2C表二A_IDB_ID12结果(A_ID)NAME_A(B_ID)NAME_B1A2C如果我想一句SQL查出来
询:SQL这句怎么查
表一:
ID NAME
1 A
2 C
表二
A_ID B_ID
1 2
结果(A_ID) NAME_A (B_ID) NAME_B
1 A 2 C
如果我想一句SQL查出来,应该怎么办呢?
[解决办法]
select A_ID,(select name from tbl1 where A_ID=id ) as name_a
,B_ID ,(select name from tbl1 where b_ID=id ) as name_B
from tbl2
