单选题While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）AIt updates the existing SQL profiles with current statistics.BIt makes the statistics information available to GATHER_STATS_JOBCIt initiates the statistics collection process by running GATHER_STATS_JOBDIt logs a warning message in the alert log so that the DBA can perform statistics collection manually.
单选题
While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）
A
It updates the existing SQL profiles with current statistics.
B
It makes the statistics information available to GATHER_STATS_JOB
C
It initiates the statistics collection process by running GATHER_STATS_JOB
D
It logs a warning message in the alert log so that the DBA can perform statistics collection manually.
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