How to fix the Oracle error PLS-00725: type ‘string’ must be a supertype or subtype of the TREAT expression?

In this post, you’ll learn more about the Oracle ErrorPLS-00725: type ‘string’ must be a supertype or subtype of the TREAT expression with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00725: type ‘string’ must be a supertype or subtype of the TREAT expression

Reason for the Error PLS-00725: type ‘string’ must be a supertype or subtype of the TREAT expression

In TREAT( AS ), type must be a supertype or subtype of .

How to fix the Error PLS-00725: type ‘string’ must be a supertype or subtype of the TREAT expression ?

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

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