Mysql篩選出兩張表中不同的數據的SQL

1.篩選不同的數據

select * from b_sendmsgb where not EXISTS(select * from sendmsgb_bak where b_sendmsgb.cardNum=sendmsgb_bak.cardNum);

2.篩選出不通數據后,按卡號排序

select * from sendmsgb_bak where not EXISTS(select * from b_sendmsgb where sendmsgb_bak.cardNum=b_sendmsgb.cardNum) ORDER BY cardNum;