Resolve ORA-00948 Error Message in Oracle

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


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

ORA-00948: ALTER CLUSTER assertion no longer supported


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


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
  FROM old_table CLUSTER cluster_name;

DROP old_table;

RENAME TABLE new_table old_table;