I need to read Table1 and find the date 12/04/2017, which is in the first record in the group of records with a Cust# of A631, Date Code of 28 and Status Code of M.
Also would need to find date 03/01/2017 since that is first record of group A722 33 M etc...
Table1:
Cust DATE DateCode Status
A631 12/01/2017 25 C
A631 12/01/2017 25 D
A631 12/02/2017 26 I
A631 12/03/2017 27 J
A631 12/04/2017 28 M
A631 12/04/2017 28 M
A631 12/05/2017 28 M
A631 12/06/2017 28 M
A631 03/25/2018 28 M
A721 02/13/2018 29 K
A721 03/10/2018 30 J
A722 03/01/2017 33 M
A722 03/03/2017 33 M