Database growing

Hi,
Has some way to get my DB to become faster? For example, using statistics?
The tables are getting too big and has some way to make them understand that the database grew. I'm told that in Informix is done manually in statistics because of the increase of records. But I don't work with Informix but with Oracle.
My DB Oracle 10gR2

Dear user622983,
There are several packs and tools for analyzing the database and query performance. You can use statspack, AWR / ADDM (with the diagnostic pack) and the Enterprise Manager.
Oracle 10gR2 is using statisctics and the collector is called the "Cost Based Optimizer". So the CBO is choosing the least cost for your query and create an execution plan. You can make these plans faster by showing the CBO that you are gathering statistics. See the DBMS_STATS package for gathering statistics. Also you can use necessary indexes to improve your query performance.
Are you using partitioning? If yes, you can try to decrease the partition periods. For instance you can use hourly partitions rather than daily partitions. If you are not using partitioning and you have lots of deletes / inserts / updates happening on your table than you should try to shrink the space allocated by using several techniques like moving the table or shrinking the space of it.
You have asked a general question so if you can elaborate more than you can get a solid answer from the OTN users. Use the dba_segments data dictionary view to understand the database growth.
Hope That Helps.
Ogan
Edited by: Ogan Ozdogan on 06.Eki.2010 21:49
Please refer to the http://tahiti.oracle.com , which is the Oracle online documentation, for further information.

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Message was edited by:
jittu13

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