| Method to execute schema stats [message #548438] |
Thu, 22 March 2012 04:53  |
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Jack14
Messages: 497
Registered: December 2011
Location: INDIA
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Senior Member |
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Hi,
When we want to gather schema statistics which method we should follow and why ?
Please advice.
exec dbms_utility.compile_schema('SHIKHAR');
or
BEGIN
SYS.DBMS_STATS.GATHER_SCHEMA_STATS (
OwnName => 'JACK'
,Granularity => 'DEFAULT'
,Options => 'GATHER'
,Gather_Temp => FALSE
,Estimate_Percent => SYS.DBMS_STATS.AUTO_SAMPLE_SIZE
,Method_Opt => 'FOR ALL COLUMNS SIZE AUTO '
,Degree => 4
,Cascade => TRUE
,No_Invalidate => FALSE);
END;
/
Regards,
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| Re: Method to execute schema stats [message #548458 is a reply to message #548446] |
Thu, 22 March 2012 06:25  |
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Michel Cadot
Messages: 68737
Registered: March 2007
Location: Saint-Maur, France, https...
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Senior Member
Account Moderator |
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My analogy was not correct.
compile_schema compile the objects
gather_statistics gathers statistics
They cannot be compared, they do completly different things. It is like comparing network and CPU.
Regards
Michel
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