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More Details on SQL Model Clause OLAP Requirements
August 16, 2005
Mark Rittman

If you read the article on the SQL Model clause last week and were following the thread in the comments about the requirement (or not ) for the OLAP Option, Chris Chiappa dropped me a line earlier this week to follow it up:

"Hi Mark, I hope you and your family, friends, coworkers are all OK.

I can't post to the blog entry anymore so I wanted to send this along to you: It looks like the "SQL MODELs don't work when OLAP active but not installed" problem still exists in all versions. Our MODEL guys got it confused with another similar issue and thought it had been fixed when in fact it hasn't. The problem is that there are essentially three states for OLAP:

1) OLAP not active (gmake olap_off on UNIX) - not a problem
2) OLAP active (gmake olap_on on UNIX) and olap.sql has been run - not a problem
3) OLAP active but olap.sql has NOT been run - problem.

I believe this situation should be detectable by noting that "OLAP" is TRUE in V$OPTION but that "APS" does NOT show up as "VALID" in DBA_REGISTRY. The problem can be fixed by either turning OLAP off completely (gmake olap_off and relink on UNIX, not sure about Windows) or by fully installing OLAP even if you don't plan on using it. A fix is being worked on, but I suspect won't make it into the world until and are released."

Thanks Chris. By the way, if you found the previous couple of How-to's useful, I wrote up another one earlier this week on creating Oracle Reports reports that write-back to the database.


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