How to fix the Oracle error XOQ-02517: The data type “string” of the base attribute or base measure is different from the mapped expression “string”.?

In this post, you’ll learn more about the Oracle ErrorXOQ-02517: The data type “string” of the base attribute or base measure is different from the mapped expression “string”. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-02517: The data type “string” of the base attribute or base measure is different from the mapped expression “string”.

Reason for the Error XOQ-02517: The data type “string” of the base attribute or base measure is different from the mapped expression “string”.

Cause: Either the base attribute or base measure with the mapped expression was set to an inconsistent data type, or it was mapped to an expression of a different data type from its fixed data type.

How to fix the Error XOQ-02517: The data type “string” of the base attribute or base measure is different from the mapped expression “string”. ?

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

Action: When changing a mapped expression for a base attribute or base measure, ensure that the expression has the same data type; otherwise, set the data type of the base attribute or base measure to NULL first. When a base attribute or a base measure has an existing mapped expression, do not set it to a different data type.