You executed the following commands: SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’); Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?()
- A、 The statistics are stored in the pending statistics table in the data dictionary.
- B、 The statistics are treated as the current statistics by the optimizer for all sessions.
- C、 The statistics are treated as the current statistics by the optimizer for the current sessions only.
- D、 The statistics are temporary and used by the optimizer for all sessions until this session terminates.
正确答案:A
答案解析:有
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