RE: Slightly O.T. Data Warehouse, bitmapped indexes, Discoverer

Sorry,  

Yes, it was nulls that weren't counted in Discoverer - although do get counted in native SQL. When I used Discoverer Admin. to change nulls to some other code - it changed nulls and all the other codes as well - BAD.  

The other option is doing it in a materia. view, changing value in base table from null to some other default, creating a function in Admin. and having the users see that. However, it is on a partitioned table with bitmapped indexes - to my knowledge there is no functional local prefixed bitmapped index in 8.1.7.4 - so I am strongely considering the MV option or loading nulls as some other default in the base table option.  

Any opinions?  

Oracle OCP DBA

-----Original Message-----
Sent: Tuesday, April 22, 2003 5:47 PM
To: Multiple recipients of list ORACLE-L

Any NULL values in the selected columns?    

-----Original Message-----
Sent: Tuesday, April 22, 2003 15:27
To: Multiple recipients of list ORACLE-L

Doing a basic quality check on data using discoverer.

Choosing simple table report

Choosing field (like a code field) and a "count" then getting a total at the end.

The grand total doesn't always equal the total sum of rows in the table and there is no selection criteria - no where predicate. Just different bitmapped indexes being used (or not).

This is a partitioned table - partitioned on year and the bitmapped indexes are local prefixed (required) but in the counts we are not always using
(selecting or grouping by) the field on which the table is partitioned -
YEAR. Wassup?

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