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How to use maximum of date function in db2


 
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# 1  
Old 06-05-2011
Question How to use maximum of date function in db2

Hello Folks,
I am having a below example.

Code:
CAR_NAME   SERVICE_DATE
------------------------------------
ALTIMA        01/01/2007
ALTIMA        03/01/2007
ALTIMA        05/02/2008
FORD GT      01/01/2009
FORD GT      01/01/2010
FORD GT      01/06/2010
FORD GT      01/01/2011

In the above example, CARs and their servicing dates are stored in the table. Altima has done three services in which the latest service date is done on 05/02/2008 and FORD GT has done the latest service on 01/01/2011.

I need to write a db2 query to fetch the vehicles for which the latest service is done before Dec 2008. For the Above example, the expected result is ALTIMA.

I am trying something like this
Code:
SELECT DISTINCT CAR_NAME FROM CAR_SERVICE_TABLE WHERE MAX(SERVICE_DATE) < '12/31/2008' WITH UR

But this is not working.

I am getting the error as
SQL0120N invalid use of an aggregate function or OLAP function. SQLSTATE = 42903.

Please help me in writing the query
# 2  
Old 07-24-2011
please use something like this
Code:
select distinct car_name from car_Service_table where max(service_date)<to_date('12-31-2008','mm-dd-yyyy');

Please post a
Code:
desc car_Service_table;

command o/p for further clarifications

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