DB2 Error Code – -625 table table name does not have an index to enforce the uniqueness of the primary key

In this post, you’ll learn about the error message -625 table table name does not have an index to enforce the uniqueness of the primary key in the IBM DB2 database , the reason why it occurs along with the solution to fix it

IBM DB2 Error Message

-625 table table name does not have an index to enforce the uniqueness of the primary key

Reason for the Error

The code is used to report that an ALTER TABLE statement is invalid because the table does not have a unique index with a key that is identical to the nominated PRIMARY KEY.

Solution

Make sure the key list specified on the ALTER TABLE statement identifies an existing unique index of the table.