2026-03-12 20:23:15

vdh/sqlcur_mem_usage.sql

@@ -0,0 +1,66 @@
+set linesize 150
+
+column sharable_mem_kb format 99G999G999D00
+column persistent_mem_kb format 99G999G999D00
+column runtime_mem_kb format 99G999G999D00
+column cursor_cnt format 999G999G990
+column unique_cursor_cnt format 999G999G990
+
+compute sum of sharable_mem_kb on report
+compute sum of persistent_mem_kb on report
+compute sum of runtime_mem_kb on report
+compute sum of cursor_cnt on report
+compute sum of unique_cursor_cnt on report
+
+break on report
+
+with
+ childs as
+   ( select
+       parsing_schema_id,
+       sql_id,
+       count(*) child_cnt
+     from
+       v$sql
+     group by
+       parsing_schema_id,
+       sql_id
+   ),
+ mchild as
+   ( select
+       parsing_schema_id,
+       max(child_cnt) max_child_cnt
+     from
+       childs
+     group by
+       parsing_schema_id
+   ),
+ vsql as
+   ( select
+       parsing_schema_id,
+       count(*) cursor_cnt,
+       count(distinct sql_id) unique_cursor_cnt,
+       sum(sharable_mem)/1024 sharable_mem_kb,
+       sum(persistent_mem)/1024 persistent_mem_kb,
+       sum(runtime_mem)/1024 runtime_mem_kb
+     from
+       v$sql
+     group by
+       parsing_schema_id
+   )
+select
+  username, cursor_cnt, unique_cursor_cnt, max_child_cnt, 
+  sharable_mem_kb, persistent_mem_kb, runtime_mem_kb
+from
+  mchild,
+  vsql,
+  dba_users     usr
+where
+  vsql.parsing_schema_id = mchild.parsing_schema_id
+  and vsql.parsing_schema_id = usr.user_id
+order by
+  username
+;
+
+clear breaks
+clear computes