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How To Partition a Table, DB2 V9.5 database

Posted on 2009-04-30
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I want to partition a DB2 table so that archiving can be easy every year.
Can you please assist with documentation, scripts etc.
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Question by:kbanuso
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Kent Olsen earned 1500 total points
ID: 24273514
Hi kbanuso,

I suspect that you want to partition by date.  That's pretty common.  :)

A table is partitioned (or not) based on the options selected when it is created.

CREATE TABLE <NAME> (<column_name>  <data_type>  <null_attribute>)
IN <table space list>
PARTITION BY RANGE (<column expression>)
STARTING FROM <constant>
ENDING <constant>
EVERY <constant>

Here's an example (from IBM) that partitions a table in 3 month increments:

CREATE TABLE customer (l_shipdate DATE, l_name CHAR(30))
IN ts1, ts2, ts3, ts4, ts5
PARTITION BY RANGE(l_shipdate) (STARTING FROM ('01/01/2006')
ENDING AT ('12/31/2006') EVERY (3 MONTHS))

Jan/Feb/Mar are in 1 partition, Apr/May/Jun the next partition, etc.

Something like this should work for you,
Kent
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