How to fix the Oracle error ORA-16803: unable to query a database table or fixed view?

In this post, you’ll learn more about the Oracle ErrorORA-16803: unable to query a database table or fixed view with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16803: unable to query a database table or fixed view

Reason for the Error ORA-16803: unable to query a database table or fixed view

Failed to query a database table or fixed view. The database may not be opened or mounted.

How to fix the Error ORA-16803: unable to query a database table or fixed view ?

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

Check the Data Guard broker log for more details.