帮忙解决一下问题,谢谢
A
aID aData
1 1a
2 2a
3 3a
4 4a
B
bID bData
1 1b
2 2b
3 3b
8 8b
select A.* from A inner join B on A.aID = B.bID
select A.* from A left join B on A.aID = B.bID
select A.* from A right join B on A.aID = B.bID
select B.* from A inner join B on A.aID = B.bID
select B.* from A left join B on A.aID = B.bID
select B.* from A right join B on A.aID = B.bID
以上语句执行后分别影响的行数是多少?