2026-03-12 20:23:15

timhall/monitoring/top_sql.sql

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+-- -----------------------------------------------------------------------------------
+-- File Name    : https://oracle-base.com/dba/monitoring/top_sql.sql
+-- Author       : Tim Hall
+-- Description  : Displays a list of SQL statements that are using the most resources.
+-- Comments     : The address column can be use as a parameter with SQL_Text.sql to display the full statement.
+-- Requirements : Access to the V$ views.
+-- Call Syntax  : @top_sql (number)
+-- Last Modified: 15/07/2000
+-- -----------------------------------------------------------------------------------
+SET LINESIZE 500
+SET PAGESIZE 1000
+SET VERIFY OFF
+
+SELECT *
+FROM   (SELECT Substr(a.sql_text,1,50) sql_text,
+               Trunc(a.disk_reads/Decode(a.executions,0,1,a.executions)) reads_per_execution, 
+               a.buffer_gets, 
+               a.disk_reads, 
+               a.executions, 
+               a.sorts,
+               a.address
+        FROM   v$sqlarea a
+        ORDER BY 2 DESC)
+WHERE  rownum <= &&1;
+
+SET PAGESIZE 14