Database Tuning (MOSC)

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queries performing very slow from Toad,cognos and powerbuilder, but very fast from sql developer

edited Jun 16, 2011 7:51AM in Database Tuning (MOSC) 10 commentsAnswered
Hi,
I am facing a weird issue for last couple of weeks. when we try to run queries from cognos , power builder ,sqlplus from windows

or toad,It is taking minutes even If I run simple query like "select * from dba_tables", where as the same query is running

within 1 sec if I use sql developer or using sqlplus from the db server or using sqlplus from any other hp server.

At the same If I run  select sysdate from dual, It is faster in all the tools. I dont know where is the issue is...

I suspect It can be a issue with network. Also it is happing for all of our databases. There is no changes in db for sometime.

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