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Need db2 query to match time stamp field thru JCL

 
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vardhan0007

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Joined: 05 Jun 2006
Posts: 51
Location: Bangalore,India

PostPosted: Wed May 28, 2008 8:12 pm    Post subject: Need db2 query to match time stamp field thru JCL
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Hi,

I have to write one SQL query to delete some records based on below condition

I have to check the date field in the table which contains time stamp also but i have to match that field to current date if the date(time stamp) in table is lesser than 6 months i have to delete the record from table. This requirement has to achieve thru JCL only.

Thanks in advance.

Harsha.
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Craq Giegerich

Senior Member


Joined: 19 May 2007
Posts: 1512
Location: Virginia, USA

PostPosted: Wed May 28, 2008 8:47 pm    Post subject:
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You can not do it just using JCL!

If you are sure you want to delete rows that are less than 6 months old then this sql statement will do it
DELETE FROM TABLE WHERE CURRENT TIMESTAMP - DATE_COL < 600000000;

For more than 6 months old change the < to >.
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stodolas

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Joined: 13 Jun 2007
Posts: 632
Location: Wisconsin

PostPosted: Thu May 29, 2008 7:09 pm    Post subject:
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DB2 date functions should let you do this for more readability

WHERE DATE_COL < CURRENT TIMESTAMP - 6 MONTHS
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