2026-03-12 20:23:15

vdh/list_compressions.sql

@@ -0,0 +1,75 @@
+set verify off
+
+column counted format 9G999G999
+column mb format 9G999G999G999D99
+
+compute sum of counted on owner
+compute sum of counted on report
+compute sum of mb on owner
+compute sum of mb on report
+
+break on owner on report
+
+with tabseg as
+( select
+    tab.owner, 
+    tab.compression,
+    tab.compress_for,
+    seg.bytes
+  from
+    dba_tables                tab,
+    dba_segments              seg
+  where
+    tab.owner = seg.owner
+    and tab.table_name = seg.segment_name
+    and tab.partitioned = 'NO'
+    and seg.tablespace_name = '&&tbs'
+  union all
+  select
+    part.table_owner, 
+    part.compression,
+    part.compress_for,
+    seg.bytes
+  from
+    dba_tab_partitions        part,
+    dba_segments              seg
+  where
+    part.table_owner = seg.owner
+    and part.table_name = seg.segment_name
+    and part.partition_name = seg.partition_name
+    and part.subpartition_count = 0
+    and seg.tablespace_name = '&&tbs'
+  union all
+  select
+    spart.table_owner, 
+    spart.compression,
+    spart.compress_for,
+    seg.bytes
+  from
+    dba_tab_subpartitions     spart,
+    dba_segments              seg
+  where
+    spart.table_owner = seg.owner
+    and spart.table_name = seg.segment_name
+    and spart.subpartition_name = seg.partition_name
+    and seg.tablespace_name = '&&tbs'
+)
+select
+  owner,
+  compression,
+  compress_for,
+  count(*) counted,
+  sum(bytes)/1024/1024 MB
+from
+  tabseg
+group by
+  owner,
+  compression,
+  compress_for
+order by
+  owner,
+  compression,
+  compress_for
+;
+
+undef tbs