Oracle 11G OCP 1Z0-053 296
Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. Load these plans from the STS into the SQL plan baseline immediately after the upgrade.
What is the reason for performing these activities?
A. to minimize plan regression due to the use of a new optimizer version
B. to completely avoid the use of new plans generated by a new optimizer version
C. to prevent plan capturing when the SQL statement is executed after the database upgrade
D. to keep the plan in the plan history so that it can be used when the older version of the optimizer is used
答案:(A)
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