Hi all,
I have a sample data :
ID, Type , Date
1, 1, 12/03/2014
1, 2, 12/03/2014
1, 3, 12/03/2014
2, 1, 11/05/2014
2, 2, 15/05/2014
3, 3, 22/05/2014
4, 1 , 10/03/2013
4, 2, 10/03/2013
4, 3, 20/03/2013
How can I identify ID where the date is the same on the type ?
Thank for your help.
