Reputation: 209
I have one table named DETAILS with details:
CODE | NAME | ENTRY-DATE | NEXT-ENTRY-DATE
A001 | Adam | 2010-01-01 | 2010-05-01
B001 | Bob | 2010-11-01 | 2012-02-11
C001 | Charlie | 2010-01-01 | 2010-02-01
D001 | Dexton | 2010-01-01 | 2013-12-11
A001 | Adam | 2010-05-01 | 2013-05-15
B001 | Bob | 2012-02-11 | 2013-02-11
what I want the results is:
CODE | NAME | ENTRY-DATE | NEXT-ENTRY-DATE
C001 | Charlie | 2010-01-01 | 2010-02-01
D001 | Dexton | 2010-01-01 | 2013-12-11
A001 | Adam | 2010-05-01 | 2013-05-15
B001 | Bob | 2012-02-11 | 2013-02-11
What I want to take is the latest entry for each code. How can I do it?
Upvotes: 0
Views: 79
Reputation: 1627
Using max() will ensure that the value you get is right:
SELECT CODE, NAME, MAX(ENTRY-DATE), NEXT-ENTRY-DATE
FROM DETAILS
GROUP BY CODE;
Upvotes: 1