How can I get datable based on a input datable by multiple distinct columns?
My input
AAAA. 1111
AAAA. 2222
AAAA. 2222
BBBB. 1111
BBBB. 2222
BBBB. 1111
AAAA. 1111
BBBB. 1111
Desired output:
AAAA. 1111
AAAA. 2222
BBBB. 1111
BBBB. 2222