Oracle
1Z0-052 · Question #166
You have statistics collected for some selected tables. Your requirement is that the statistics for the tables and all dependent indexes must not be overwritten by further statistics collection until
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Performing Database Maintenance
Question
You have statistics collected for some selected tables. Your requirement is that the statistics for the tables and all dependent indexes must not be overwritten by further statistics collection until a certain point of time. How would you achieve this?
Options
- ALock statistics for the tables.
- BChange STALE_PERCENT to zero for the tables.
- CSet the TIMED_STATISTICS parameter to TRUE.
- DSet the STATISTICS_LEVEL parameter to BASIC.
- ESet the OPTIMIZER_USE_PENDING parameter statistics to TRUE.
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Topics
#statistics locking#optimizer statistics#DBMS_STATS#stale statistics