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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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DBA_HIST_SGA

DBA_HIST_SGA displays historical summary information about the system global area (SGA). This view contains snapshots of V$SGA.

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 Instance number for the snapshot
NAME VARCHAR2(64) NOT NULL SGA component group
VALUE NUMBER NOT NULL Memory size (in bytes)