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Database Tuning (MOSC)

What is the 'Alter summary'

Nov 14, 2011 5:26PM edited Nov 16, 2011 2:07PM in Database Tuning (MOSC) 2 comments

Hi All,

My DB is 11.2 Exadata box. When I checked one sql in v$sql, I found the sql it exeutes is 'ALTER SUMMARY "XXX"."XXXX_MV" COMPILE'

But I checked all distinct object type in dba_objects, no summary object_type at all.

I also googled this command but no many useful links.

Could someone give me some tips here, please?

Best regards,

Leon

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