Skip Headers
Oracle® Database Reference
10g Release 2 (10.2)

Part Number B14237-04
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
PDF · Mobi · ePub

DBA_HIST_PGASTAT

DBA_HIST_PGASTAT displays historical PGA memory usage statistics as well as statistics about the automatic PGA memory manager when it is enabled. This view contains snapshots of V$PGASTAT.

Column Datatype NULL Description
SNAP_ID NUMBER NOT NULL Unique snapshot ID
DBID NUMBER NOT NULL Database ID for the snapshot
INSTANCE_NUMBER NUMBER NOT NULL Unique snapshot ID
NAME VARCHAR2(64) NOT NULL Name of the statistic:
  • aggregate PGA target parameter

  • aggregate PGA auto target

  • global memory bound

  • total PGA allocated

  • total PGA used

  • total PGA used for auto workareas

  • total PGA used for manual workareas

  • over allocation count

  • bytes processed

  • extra bytes read/written

  • cache hit percentage

See Also: V$PGASTAT for descriptions of the statistics

VALUE NUMBER   Statistic value