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Message Posted: Wed, 03 Aug 2011 @ 12:01:14 GMT

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Subj:   Difference between collect stats on a column vs. a table
From:   sukul mahadik


I want to know if collecting stats on individual columns is different from collecting them using "COLLECT STATS ON TABLE".

Say i have table with stats defined on 4 columns of a table.


     collect stats on TABLE1 column(A);
     collect stats on TABLE1 column(B);
     collect stats on TABLE1 column(C);
     collect stats on TABLE1 column(D);

Different from

     collect stats on TABLE1;

(TABLE1 has stats defined on the above 4 columns)

PLease help.

Thanks in advance.



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