How to fix the Oracle error ORA-38488: attribute set already assigned to the column storing expressions?

In this post, you’ll learn more about the Oracle ErrorORA-38488: attribute set already assigned to the column storing expressions with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-38488: attribute set already assigned to the column storing expressions

Reason for the Error ORA-38488: attribute set already assigned to the column storing expressions

An attempt was made to reassign an attribute set to an expression column.

How to fix the Error ORA-38488: attribute set already assigned to the column storing expressions ?

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

Query USER_EXPFIL_EXPRESSION_SETS view to find the attribute set assigned the expression set