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plan management question

edited Jul 3, 2013 11:33AM in Database Administration (MOSC) 6 commentsAnswered
The oracle guide writes following about plan management "

"Automatic plan capture can be switched on by setting the init.ora parameter
OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to TRUE (default FALSE). With automatic plan
capture enabled, the SPM repository will be automatically populated for any repeatable SQL
statement. To identify repeatable SQL statements, the optimizer will log the identity (SQL
Signature) of each SQL statement into a statement log the first time it is compiled. If the SQL
statement is processed again (executed or compiled) the presence of its identity in the statement
log will signify it to be a repeatable statement. A SQL plan history will be created for the

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