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why people delete statistics bore running statistics

From: <dbaplusplus_at_hotmail.com>
Date: 19 Oct 2006 14:11:06 -0700
Message-ID: <1161292266.589252.58610@b28g2000cwb.googlegroups.com> 





I am using Oracle 10g r1 on Windows  2000 Server as well as Oracle9i on
HP UNIX. 11i


I run following sql to gather staistics:



sys.dbms_stats.gather_schema_stats(ownname=>'SAPPHIRE', cascade=>TRUE);



for SAPPHIRE schema.



I have seen some people delete staistics before running above
statement. Won't above statement regenerate the statistics for all
tables/indexes, overwriting whatever was there.




Prem
Received on Thu Oct 19 2006 - 16:11:06 CDT












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