Question

VARCHAR2 restrcitions in Range Partitioning

Asked by: prakash_prk

Dear Friends

Do we have any restriction in using VARCHAR2 in Range Partitioning?

Why only Date used more in Range Partitioning, any specific reasons for this?

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Asked On
2008-05-27 at 00:34:10ID23434076
Tags

Range Partitioning

Topic

Oracle Database

Participating Experts
1
Points
500
Comments
2

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Answers

 

by: schwertnerPosted on 2008-05-27 at 00:58:21ID: 21650120

This is so, because dates divide the 'axis' in good intervals and is the common measuring.
You can also partition a table based on intervals on every column.

Very good article is

http://www.oracle.com/technology/oramag/oracle/06-sep/o56partition.html

 

by: schwertnerPosted on 2008-05-27 at 01:02:51ID: 21650137

based on NUMBER column:

create table trans_summary (
   product_code number,
   tot_amount      number(12,2)
)
partition by list (product_code)
(
   partition p1  values (1),
   partition p2  values (2),
   partition p3  values (3),
   partition p4  values (4),
   partition p5  values (5),
   partition p6  values (6),
   partition p7  values (7),
   partition p8  values (8),
   partition p9  values (9),
   partition p10 values (10)
)

Same can be used for VARCHAR2 if you can make decission how to divide the ranges.

20120131-EE-VQP-002

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