How to fix the Oracle error ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.?

In this post, you’ll learn more about the Oracle ErrorORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.

Reason for the Error ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.

An attempt was made to select FOR UPDATE from a view which had not been merged because the view used syntax (for example, DISTINCT or GROUP BY) preventing the merge, or because of initialization file parameter settings.

How to fix the Error ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc. ?

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

Determine the reason the view will not merge and, if possible, make changes so that it can.