How to fix the Oracle error ORA-30352: inconsistent numeric precision or string length?

In this post, you’ll learn more about the Oracle ErrorORA-30352: inconsistent numeric precision or string length with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30352: inconsistent numeric precision or string length

Reason for the Error ORA-30352: inconsistent numeric precision or string length

The SELECT expression was of a different numeric precision or string length than the corresponding container column. Therefore, query rewrite cannot guarantee results that are identical to the results obtained with the un-rewritten query.

How to fix the Error ORA-30352: inconsistent numeric precision or string length ?

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

Correct the precision or string length difference, specify the WITH REDUCED PRECISION option, or disable the REWRITE option on the materialized view.