SQL Performance (MOSC)

MOSC Banner

Bad plan with partitioned table

edited Nov 2, 2016 6:00AM in SQL Performance (MOSC) 5 commentsAnswered ✓

Hello !

We have an issue with a sql statement. We have a bad plan generated and I can easily reproduce it

it seems we have a mixture of bad and good plans. We have now locked the good plan using spm

The problem seems to be that we start with the wrong table. We have a case with Oracle Support and

we have been asked to regather statistics with and without histograms and so far it hasn't helped.

If we disable bind peeking it seems to be the good plan

I noticed that if we set O.F.E to 11.2.0.2 we get he good plan, looking att he 10053 traces it seems that

Howdy, Stranger!

Log In

To view full details, sign in to My Oracle Support Community.

Register

Don't have a My Oracle Support Community account? Click here to get started.

Category Leaderboard

Top contributors this month

Instructions for posting

×

1. Select a discussion category from the picklist.


2. Enter a title that clearly identifies the subject of your question.


3. In the body, insert detailed information, including Oracle product and version.


Please abide by the Oracle Community guidelines and refrain from posting any customer or personally identifiable information (PI/CI).


Cloud / Fusion customers - Our Cloud community has moved! Please go to Cloud Customer Connect .


New to My Oracle Support Community? Visit our Welcome Center

MOSC Help Center