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Connecting to the Remote Database through SQL Developer without

Database Client or Server in the local System

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Tnsnames.ora file is only enough to connect to the remote database. You don't need a client instance on your system.

1. copy the tnsnames.ora file in any directory on your system first.

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2. Open Sql Developer now

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3. Go to Tools -> Preferences

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4. Expand Database and select Advanced in the left pane

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5. Browse the tnsnames.ora file to the Tns names Directory

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6. Click Ok

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7. Create a new connection in sql developer now

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8. Give connection name, user name, password and change the connection type to tns and drop down network alias and

select the sid in your tnsnames.ora file and click on test

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9. Now click connect to connect to the database