RE: Another partitioning question

John - At last a question I can answer! Anyway I think so. You can partition on a concatenated key. I just did this on our data warehouse and brought query times from over 2 minutes to under 10 seconds. Here is what my partition looks like.

create table sumacctfact2
nologging
pctfree 5
partition by range ( periodgrain, periodenddate )
(

partition sum_fy_01 values less than ('FY', to_date('01011999','mmddyyyy'))

   tablespace data_fy_01
   storage ( maxextents unlimited ),
partition sum_fy_02 values less than ('FY', to_date('01012000','mmddyyyy'))

   tablespace data_fy_02
   storage ( maxextents unlimited ),
partition sum_fy_03 values less than ('FY', to_date('01012001','mmddyyyy'))

   tablespace data_fy_03
   storage ( maxextents unlimited ),
partition sum_fy_04 values less than ('FY', to_date('02012001','mmddyyyy'))

   tablespace data_fy_04
   storage ( maxextents unlimited ),

Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Friday, March 15, 2002 10:38 AM
To: Multiple recipients of list ORACLE-L

I think what my boss is asking me to do is not possible, but since I don't have much experience with partitioning I thought I'd ask here (I did read some of manuals but didn't find an answer that suited my conditions). My boss wants a table partitioned by 2 columns - seq_no and type. If the type = 'X' then it's just a range partition, but then he wants another partition that contains all data that type!='X' but is inclusive of the entire range. Is this possible?
Something like (I know this syntax isn't correct ) create table test_part(
id number(11) unique,
owner_id number(11) not null,
type varchar2(30) not null,
name varchar2(40))
partition by range(owner_id,type)
(partition p1 values less than (20000000) and type ='X' tablespace test,
partition p2 values less than (50000000) and owner_table ='X' tablespace test,
partition p3 values less than (100000000) and owner_table ='X' tablespace test,
partition p4 values less than (500000000) and owner_table ='X' tablespace test,
partition p5 values less than (1000000000) and owner_table ='X' tablespace test)
partition p6 values less that (1000000000) and owner_table !='X' tablespace test;

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Author: DENNIS WILLIAMS
  INET: DWILLIAMS_at_LIFETOUCH.COM

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