How to fix the Oracle error PLS-00211: CASE labels or ranges must not be duplicated in different WHEN clauses?

In this post, you’ll learn more about the Oracle ErrorPLS-00211: CASE labels or ranges must not be duplicated in different WHEN clauses with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00211: CASE labels or ranges must not be duplicated in different WHEN clauses

Reason for the Error PLS-00211: CASE labels or ranges must not be duplicated in different WHEN clauses

In this CASE statement, a value appears in more than one WHEN clause. A value may appear in at most one WHEN clause of a CASE statement.

How to fix the Error PLS-00211: CASE labels or ranges must not be duplicated in different WHEN clauses ?

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

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