Oracle
1Z0-050 · Question #55
Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE parameter to…
The correct answer is C. Capture the plans from the previous version using STS and then load them into SQL Management. See the full explanation below for the reasoning.
Question
Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for a few SQL statements. What would you do with these SQL statements?
Options
- ASet OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.
- BCapture the plans from the previous version using STS and then load them into the stored outline.
- CCapture the plans from the previous version using STS and then load them into SQL Management
- DSet OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being
How the community answered
(40 responses)- A15% (6)
- B8% (3)
- C75% (30)
- D3% (1)
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