2026-03-12 20:23:15

timhall/monitoring/rbs_extents.sql

@@ -0,0 +1,35 @@
+-- -----------------------------------------------------------------------------------
+-- File Name    : https://oracle-base.com/dba/monitoring/rbs_extents.sql
+-- Author       : Tim Hall
+-- Description  : Displays information about the rollback segment extents.
+-- Requirements : Access to the DBA views.
+-- Call Syntax  : @rbs_extents
+-- Last Modified: 15/07/2000
+-- -----------------------------------------------------------------------------------
+SET LINESIZE 500
+SET PAGESIZE 1000
+SET VERIFY OFF
+
+SELECT Substr(a.segment_name,1,30) "Segment Name",
+       b.status "Status",
+       Count(*) "Extents",
+       b.max_extents "Max Extents",
+       Trunc(b.initial_extent/1024) "Initial Extent (Kb)",
+       Trunc(b.next_extent/1024) "Next Extent (Kb)",
+       Trunc(c.bytes/1024) "Size (Kb)"
+FROM   dba_extents a,
+       dba_rollback_segs b,
+       dba_segments c
+WHERE  a.segment_type = 'ROLLBACK'
+AND    b.segment_name = a.segment_name
+AND    b.segment_name = c.segment_name
+GROUP  BY a.segment_name,
+          b.status, 
+          b.max_extents,
+          b.initial_extent,
+          b.next_extent,
+          c.bytes
+ORDER  BY a.segment_name;
+
+SET PAGESIZE 14
+SET VERIFY ON