database - Diagnosing the cause of slow Oracle application -

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we have windows application saves data oracle database - nothing particularly complicated, adding row few numbers table. application has been installed @ 1 of clients many years , has worked absolutely fine. however, have relocated oracle servers country , complaining application running slowly.

i sure can related network speeds @ end, , not our application.

are there tools out there diagnose exact cause of slowness? also, there modified in program make work faster in situations oracle database remote?

thanks!

update

a user has fill in few numbers in textboxes , clicks button, sends these results database. updates 'summary' table users session, saving how many times user has clicked button. that's 1 insert , 1 update. other thing audit trail saves 20 one-column rows of data table. enough make application slow down point it's unusable?

we're not doing reconnecting every time send sql query - connection made once @ start of program , closed when exits.

you can verify checking sql*net% wait event on awr report.


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