V$PGA_TARGET_ADVICE_HISTOGRAM

Columns
   ___________________________
 
   PGA_TARGET_FOR_ESTIMATE
   PGA_TARGET_FACTOR
   ADVICE_STATUS
   LOW_OPTIMAL_SIZE
   HIGH_OPTIMAL_SIZE
   ESTD_OPTIMAL_EXECUTIONS
   ESTD_ONEPASS_EXECUTIONS
   ESTD_MULTIPASSES_EXECUTIONS
   ESTD_TOTAL_EXECUTIONS
   IGNORED_WORKAREAS_COUNT

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