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error in PLSQL Developer [message #487052] Wed, 22 December 2010 04:22
Messages: 399
Registered: August 2010
Senior Member
I have upgraded my Operating Syatem from Vista to Win7. I have SQL nav version but is not supported on Win7. So I have installed PLSQL developer. When I try to connect it's giving the error connection not open. But when I tried the same credentials with SQLPLUS it's working fine.

Please help me how to resolve the issue.

Thanks in advance
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