Difference - Rebuild and Analyze index

From: Marul Mehta <marul_at_zycus.com>
Date: Wed, 16 Oct 2002 03:43:31 -0800
Message-ID: <F001.004EA327.20021016034331@fatcity.com>

Hi,

Can anybody please tell me the difference between -

SQL > execute DBMS_UTILITY.ANALYZE_SCHEMA('BLAH','COMPUTE',NULL,30,'FOR ALL INDEXES'); and
SQL > select 'ALTER INDEX ' || INDEX_NAME || ' REBUILD ONLINE;' from USER_INDEXES

If I execute any one the above do i need to execute the other also?

After how many days/hour it should be executed.

TIA,
Marul.

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Author: Marul Mehta
  INET: marul_at_zycus.com

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