I have 2 tables Table 1:
我有2张桌子表1:
Query_code | Item_code | Column_Name
2 | 1 | CN1
2 | 2 | CN2
2 | 3 | CN3
Query_coI have 2 tables Table 1:
我有2张桌子表1:
Query_code | Item_code | Column_Name
2 | 1 | CN1
2 | 2 | CN2
2 | 3 | CN3
Query_co