2026-03-12 20:23:15

tpt/topcur.sql

@@ -0,0 +1,49 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+DEF atleast=&1
+
+PROMPT Showing SQLs with at least &atleast cursors
+
+COL "MIN(first_load_time)" FOR A20
+COL "MAX(last_load_time)" FOR A20
+
+PROMPT ==============================================================================================
+PROMPT == SQLs not using bind variables (check the SQL texts of top offenders)                     ==
+PROMPT ==============================================================================================
+
+SELECT
+    COUNT(*) total_children
+  , COUNT(DISTINCT sql_id) distinct_sqlids
+  , COUNT(DISTINCT plan_hash_value) distinct_plans
+  , plan_hash_value
+  , MIN(sql_id)
+  , MAX(sql_id)
+  , MIN(first_load_time)
+  , MAX(last_load_time)
+FROM v$sql
+--WHERE plan_hash_value != 0
+GROUP BY plan_hash_value
+HAVING COUNT(DISTINCT sql_id) > &atleast
+ORDER BY COUNT(*) DESC
+/
+
+PROMPT ==============================================================================================
+PROMPT == SQLs with many child cursors under a parent (use nonshared*.sql to find the reasons)     ==
+PROMPT ==============================================================================================
+
+SELECT 
+    COUNT(*) total_children
+  , COUNT(DISTINCT sql_id) distinct_sqlids
+  , COUNT(DISTINCT plan_hash_value) distinct_plans
+  , sql_id
+  , MIN(plan_hash_value)
+  , MAX(plan_hash_value)
+  , MIN(first_load_time)
+  , MAX(last_load_time)
+FROM v$sql
+GROUP BY sql_id
+HAVING COUNT(*) > &atleast
+ORDER BY COUNT(*) DESC
+/
+