No.of Transcations in a Database

Question

hello,
we are using oracle 10g on solaris 5.6.
How can i find out the number of transcations that are done on a database in 1 day or number or reads and writes on the datafiles in a day.
Thanks for any help.

Answer 1

You can calculate the number of transactions that have ran since the last start of the database using v$sysstat statistic values but Oracle does not store the transaction count except as part of statspack and AWR snapshots. Depending on if and how often you take snapshots (and if you have a performace pack license) you could potentially use data from these.
set echo off
-- SQL*Plus script to calculate Transactions Per Second for version 8+
-- 20020513  Mark D Powell   New, cre as resp 2 metalink req fr ver 7 Query
--  Version 7 Query:
--  SELECT SUM(s.value/
--  (86400*(SYSDATE - TO_DATE(i.VALUE,'J')))) "tps"
--  FROM V$SYSSTAT s, V$INSTANCE i
--  WHERE s.NAME in ('user commits','transaction rollbacks')
--  AND i.KEY = 'STARTUP TIME - JULIAN'
select
  round(sum(s.value / (86400 * (SYSDATE - startup_time))),3) "TPS"
from
  v$sysstat  s
,v$instance i
where s.NAME in ('user commits','transaction rollbacks')
/For file IO information look at v$filestat.
HTH -- Mark D Powell --