The following is the ORA-23435 error message, you can learn the cause and solution of the Oracle database error.
ORA-23435 cannot create an updatable ROWID materialized view with LOB columns
Cause: The propagation of LOB data from materialized view sites to the master site requires a primary key on the replicated table. Thus updatable ROWID materialized views that contain LOB columns are not supported.
Solution: Create a primary key materialized view instead of a ROWID materialized view. If the materialized view already exists, it can be converted to a primary key materialized view using the ALTER MATERIALIZED VIEW DDL command.
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