Database DataWarehousing (MOSC)

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MVs getting INVALID frequently

edited Mar 26, 2013 12:42AM in Database DataWarehousing (MOSC) 17 commentsAnswered
Hi All,

 We have observed most of the materialized views status in PROD database is showing INVALID. 
Only after refreshing the MV status changing to VALID and after some time it is getting INVALID. 

I believe, MVs will change whenever there is a DDL on base table. however, i would like to track the time of change in table and time of MVs getting invalidated if this is only reason.
Please help to troubleshoot this issue to find all possible cause.

Thanks in advance

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