Re: SQL performance in prod

  • From: Mladen Gogala <gogala.mladen@xxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Mon, 23 Jul 2018 15:45:57 -0400

Use /*+ GATHER_PLAN_STATISTICS */ hint and you will see E-Rows and A-Rows in the plan. E-Rows are estimated rows, A-rows are actual rows. The problem is where there is significant difference between the two.

Regards


On 7/18/2018 6:30 PM, V Raman wrote:

I am trying to figure out the cause(s). Assuming there is not much change in the DB, the first thing that comes to mind is statistics. Can the listers help with ideas? Thanks.


--
Mladen Gogala Database Consultant Tel: (347) 321-1217
--
//www.freelists.org/webpage/oracle-l


Other related posts: