Resolve ORA-00948 Error Message in Oracle

Learn the cause and how to unravel the ORA-00948 error message in Oracle.

Description

When you come across an ORA-00948 error, the following error message will appear:

ORA-00948: ALTER CLUSTER assertion no longer supported

Cause

You tried to execute an ALTER CLUSTER statement, but this statement is no longer supported.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Try adding your cluster from an existing table.

For example:

CREATE TABLE new_table
  SELECT *
  FROM old_table CLUSTER cluster_name;

DROP old_table;

RENAME TABLE new_table old_table;