Here are two tables:
这是两个表:
table1
cm_id cost
1 6.52
2 16.52
3 2.12
4 7.14
5 19.09
6 11.52
7 0.12
cm_id Here are two tables:
这是两个表:
table1
cm_id cost
1 6.52
2 16.52
3 2.12
4 7.14
5 19.09
6 11.52
7 0.12
cm_id