How to fix the Oracle error ORA-12153: TNS:not connected?

AbundantCode 2 weeks ago in Oracle 0

In this post, you’ll learn more about the Oracle ErrorORA-12153: TNS:not connected with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12153: TNS:not connected

Reason for the Error ORA-12153: TNS:not connected

Not currently connected to a remote host.

How to fix the Error ORA-12153: TNS:not connected ?

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

Reestablish connection.

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