How to fix the Oracle error DRG-11100: unable to connect to the database?

In this post, you’ll learn more about the Oracle ErrorDRG-11100: unable to connect to the database with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-11100: unable to connect to the database

Reason for the Error DRG-11100: unable to connect to the database

Cause: failed to connect to Oracle database

How to fix the Error DRG-11100: unable to connect to the database ?

You can fix this error in Oracle by following the below steps

Action: check the Oracle error and connect string

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