How to fix the Oracle error ORA-40122: invalid data type for row weights column string.?

In this post, you’ll learn more about the Oracle ErrorORA-40122: invalid data type for row weights column string. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-40122: invalid data type for row weights column string.

Reason for the Error ORA-40122: invalid data type for row weights column string.

Row weights column was not assigned one of the allowed data types.

How to fix the Error ORA-40122: invalid data type for row weights column string. ?

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

Choose a row weight column of type NUMBER or FLOAT.