Re: table partitions

From: Jay Hostetter <jhostetter_at_decommunications.com>
Date: Tue, 16 Dec 2003 05:39:25 -0800
Message-ID: <F001.005DA159.20031216053925@fatcity.com>

Resending, since my message was truncated... <<<<
Your high value for each partition can just be the beginning of every month. For example:

CREATE TABLE ACCOUNTS
(

  STATEMENT_DATE                 DATE           NOT NULL,
  ACCOUNT_NUMBER                 VARCHAR2(8)    NOT NULL,
  BILLING_CYCLE                  VARCHAR2(2)    NOT NULL,

...
PARTITION BY RANGE (STATEMENT_DATE)
(
  PARTITION ACCOUNTS_JAN02 VALUES LESS THAN (TO_DATE(' 2002-02-01', 'YYYY-MM-DD))     TABLESPACE BILH_DATA_01,
  PARTITION ACCOUNTS_FEB02 VALUES LESS THAN (TO_DATE(' 2002-03-01', 'YYYY-MM-DD))     TABLESPACE BILH_DATA_02,
  PARTITION ACCOUNTS_MAR02 VALUES LESS THAN (TO_DATE(' 2002-04-01', 'YYYY-MM-DD))     TABLESPACE BILH_DATA_03
);

Jay

>>> RStephenson_at_Ovid.com 12/15/03 07:34PM >>>
create table aadedupekeys
(

file_id number,
rundate date,

   pk      number(10),
   dk      varchar2(128),

constraint aadedupekeys_pk primary key (file_id,rundate) )
;

Is there anyway to partition a table (above) in months e.g. ('January','Februray'...). I want to use the rundate and list partition it using the months of the year. How can I do that without actually having to create another column in the table that only contains the month it belongs to? I cannot seem to use a function on the rundate field as part of the partition syntax to generate a month to partition the data.

Thanks for your help,

Rick Stephenson

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Author: Jay Hostetter
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Received on Tue Dec 16 2003 - 07:39:25 CST