DB2 Error Code -9 – Violation of unique index: 23000 Violation of unique index in statement %s

In this post, you’ll learn about the DB2 error -9-Violation of unique index: 23000 Violation of unique index in statement %s and the reason why you are receiving the error message and how to fix it

How does this Error Message Looks like

-9 – Violation of unique index: 23000 Violation of unique index in statement %s

Reason for the Error & Solution

Duplicate values have been inserted into a column that has a UNIQUE constraint. It is the responsibility of the application to deal with prevention of insertion of duplicate values.