Database Networking (MOSC)

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Select query triggers TNS:packet failure

edited Sep 23, 2018 5:01AM in Database Networking (MOSC) 7 commentsAnswered

Hi All,

I recently got a request to add a new user to our database (11.2.0.4). I created the new user and gave him connect and read only roles which we have in the database. The user is trying to connect using sql developer. He is able to connect, but the moment he fires a select query to any table he receives connection closed error. So i took his credentials and opened a sqlplus session in the database server. I was able to connect, but the moment i fire a simple sql stetement like "select 1 from dual" or any other select

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