Topic: Database Administration >> "MINIMUM EXTENT, INITIAL, and NEXT are Equal"
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| Title: "MINIMUM EXTENT, INITIAL, and NEXT are Equal" |
| Navi |
Posted: Aug 09, 2007 04:01:18 AM |
Total Post: 60
Joined: Jun, 2007
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Hi,
When i was browsing i saw the below statement and i am cofused a lot regarding "MINIMUM EXTENT, INITIAL, and NEXT are Equal"
Statement is as follows:-
When you do not explicitly specify the type of extent management, Oracle Database determines extent management as follows:
1)If the CREATE TABLESPACE statement omits the DEFAULT storage clause, then the database creates a locally managed autoallocated tablespace.
2)If the CREATE TABLESPACE statement includes a DEFAULT storage clause, then the database considers the following:
a) If you specified the MINIMUM EXTENT clause, the database evaluates whether the values of MINIMUM EXTENT, INITIAL, and NEXT are equal and the value of PCTINCREASE is 0. If so, the database creates a locally managed uniform tablespace with extent size = INITIAL. If the MINIMUM EXTENT, INITIAL, and NEXT parameters are not equal, or if PCTINCREASE is not 0, the database ignores any extent storage parameters you may specify and creates a locally managed, autoallocated tablespace.
b) If you did not specify MINIMUM EXTENT clause, the database evaluates only whether the storage values of INITIAL and NEXT are equal and PCTINCREASE is 0. If so, the tablespace is locally managed and uniform. Otherwise, the tablespace is locally managed and autoallocated.
Can anyone please give the correct code of the following :-
a) "If you specified the MINIMUM EXTENT clause, the database evaluates whether the values of MINIMUM EXTENT, INITIAL, and NEXT are equal and the value of PCTINCREASE is 0".
b)"If the MINIMUM EXTENT, INITIAL, and NEXT parameters are not equal, or if PCTINCREASE is not 0, the database ignores any extent storage parameters you may specify and creates a locally managed, autoallocated tablespace".
Regards,
Naveen
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