Subscribe to Posts by Email

Subscriber Count

    696

Disclaimer

All information is offered in good faith and in the hope that it may be of use for educational purpose and for Database community purpose, but is not guaranteed to be correct, up to date or suitable for any particular purpose. db.geeksinsight.com accepts no liability in respect of this information or its use. This site is independent of and does not represent Oracle Corporation in any way. Oracle does not officially sponsor, approve, or endorse this site or its content and if notify any such I am happy to remove. Product and company names mentioned in this website may be the trademarks of their respective owners and published here for informational purpose only. This is my personal blog. The views expressed on these pages are mine and learnt from other blogs and bloggers and to enhance and support the DBA community and this web blog does not represent the thoughts, intentions, plans or strategies of my current employer nor the Oracle and its affiliates or any other companies. And this website does not offer or take profit for providing these content and this is purely non-profit and for educational purpose only. If you see any issues with Content and copy write issues, I am happy to remove if you notify me. Contact Geek DBA Team, via geeksinsights@gmail.com

Pages

Oracle 12c Upgrade : Virtual Column with Function Based Index (bug)

Issue: Post 12C upgrade: Oracle Bug – Virtual Column issue

Fix: Set it at session level or system level – fix_control=’16237969:OFF’

Be aware of the virtual column getting created with function based index, which may lead to sub-optimal plans.

In 11g , index is getting picked by the oracle optimizer and going with optimal Plan. […]

Oracle 12.2 New Features : Approximate Query Processing

While sometime ago, I was looking for a database project requirement to process analytical workload. The organisation choice was Oracle and Developers choice was postgres or vertica. But to handle Vertica we do not have that much of data processing actually needed so the final contenders are Oracle and Postgres.

As per licensing guidelines I […]

AWR Report – Error ORA-13605: The specified task or object does not exist for the current user.

When you run the awr report with non privileged user i.e custom user (even with dba privilege) you may receive the following error.

@?/rdbms/admin/awrrpt.sql

ORA-13605: The specified task or object does not exist for the current user.

Error encountered in special section 99995

The possible cases are,

missing grant on sys.dbms_advisor bug 17588463 — found […]