Oracle Database Administration

Finding reason or cause for heavy or more archive log generation in a particular time period As i said in the previous post we are going to see SQL queries to find the cause or reason for more archive log generation in a problematic window... Sometimes customer would ask the sql query which generated more archive logs sometimes before or days before (not for current archive logs generation which is described in the previous post). In such scenarios, follow the steps below. Step 1: ====== First you must know the timing when more number of archive logs generated in the databases. for that you can use the below query. Below sql query gives how many number of archive logs generated for each and every hour... col day for a12 set lines 1000 set pages 999 col "00" for a3 col "01" for a3 col "02" for a3 col "03" for a3 col "04" for a3 col "05" for a3 col "06" for a3 col "07" for