问题:
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.
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?()
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