3
1
2
3
201901
201903
201910
2
2
6
4
201703
201704
201705
1
3
2
2
201701
201801
201901
3
5
10
11
201801
201807
201901
Input
3
1
2
3
201901
201903
201910
3
201910
2
2
6
4
201703
201704
201705
6
201704
1
3
2
2
201701
201801
201901
3
201701
3
5
10
11
201801
201807
201901
11
201901
Desired Output
RecordID
1
Int32
6
0
Warn
Warn
Horizontal
Column Name Modifying