Database Tuning (MOSC)

MOSC Banner

Optimizer Statistics Collection based on STALE_STATS

in Database Tuning (MOSC) 4 comments

Dear Oracle Support Community,

Regarding stats collection and information is being updated in *_TAB_MODIFICATIONS, *_TAB_STATISTICS and *_IND_STATISTICS

We try to collect statistics on those that become STALE (based on STALE_STATS column); but sometimes these views don't show the statistics have become stale on few tables/partitions/subpartitions, but SQL advisor recommends to gather statistics although STALE_STATS column doesn't show it. Hence we would like to understand a better way to collect statistics on reliable information.

When will the information get updated for the views mentioned above? and how often, are there any internal parameters that influence? Please help us to understand it.

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