2026-03-12 20:23:15

vg/sql_shared_cursor_top.sql

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+@@header
+
+/*
+*
+*  Author     : Vishal Gupta
+*  Purpose    : Display top SQL statements creating child cursors
+*  Parameters : 1 - INST_ID
+*               2 - TopRecordCount
+*  Revision History:
+*  ===================
+*  Date       Author        Description
+*  ---------  ------------  -----------------------------------------
+*  13-Jul-12  Vishal Gupta  Created
+*
+*/
+
+/************************************
+*  INPUT PARAMETERS
+************************************/
+UNDEFINE INST_ID
+UNDEFINE TOP_ROWCOUNT
+DEFINE INST_ID="&&1"
+DEFINE TOP_ROWCOUNT="&&2"
+
+COLUMN  _INST_ID          NEW_VALUE  INST_ID            NOPRINT
+COLUMN  _TOP_ROWCOUNT     NEW_VALUE  TOP_ROWCOUNT       NOPRINT
+
+set term off
+SELECT DECODE('&&INST_ID','','%','&&INST_ID')             "_INST_ID"
+     , DECODE('&&TOP_ROWCOUNT','','30','&&TOP_ROWCOUNT')   "_TOP_ROWCOUNT"
+FROM DUAL;
+set term on
+
+/************************************
+*  CONFIGURATION PARAMETERS
+************************************/
+
+    
+PROMPT ***************************************************************
+PROMPT * TOP &&TOP_ROWCOUNT SQL Ids with large number of child cursors 
+PROMPT *  
+PROMPT * Input Parameters 
+PROMPT *   - Instance Number = '&&INST_ID'  (Default %)
+PROMPT *   - Top Rows Count  = '&&TOP_ROWCOUNT' (Default 30)
+PROMPT ***************************************************************
+
+COLUMN inst_id          HEADING "Instance Number "         FORMAT 99
+COLUMN sql_id           HEADING "SQLId"                    FORMAT a13
+COLUMN sql_child_number HEADING "SQL|Child Cursor|Count"   FORMAT 99999
+
+
+SELECT * FROM 
+(
+   SELECT c.inst_id
+        , c.sql_id
+        , count(c.child_number)  child_count
+     FROM gv$sql_shared_cursor c
+    WHERE c.inst_id LIKE '&&INST_ID'
+   GROUP BY c.inst_id
+          , c.sql_id
+   ORDER BY count(c.child_number) DESC       
+)
+WHERE rownum <= &&TOP_ROWCOUNT
+;
+
+@@footer