On reporting queries, there are too many “enq: KO – fast object checkpoint” wait event. All reporting queries are doing full table scans concurrently. Oracle uses direct path reads instead of db file scattered reads. And direct path reads require a checkpoint “_serial_direct_read”=NEVER Parameter Session Value Instance Value ————————————————– —————————— —————————— _serial_direct_read auto auto
This SQL will be used to identify SQL details of given Session. You need to pass SID and INSTANCE_ID as INPUT. This query will provide session details, SQL_ID, SQL_EXEC_START time and other transaction level details. set echo off feedback off verify offcol Transaction_id format a20col username format a8col days format 99.99col hours1 format 999999col TX_HRS…
SET MARKUP HTML ON SPOOL ON generates an HTML page for each subsequently spooled file. The HTML tags in a spool file are closed when SPOOL OFF is executed or SQL*Plus exits. You can use SET MARKUP HTML ON SPOOL OFF to generate HTML output suitable for embedding in an existing web page. HTML output…
