This illustration shows objects used in materialized view replication.

The Master Database contains the following objects:

• Materialized view log (optional)

• Trigger for materialized view log (optional)

• Master table (always required)

The Master Materialized View Database contains the following objects:

• Master materialized view (always required)

• Index (always required)

• Materialized view log (optional)

• Trigger for materialized view log (optional)

• Updatable materialized view log (updatable materialized views only)

• Trigger for updatable materialized view log (updatable materialized views only)

The Materialized View Database contains the following objects:

• Materialized view (always required)

• Index (always required)

• Updatable materialized view log (updatable materialized views only)

• Trigger for updatable materialized view log (updatable materialized views only)