Oracle's Implementation

• do not support fragmantation transparency

• based on database link(communication from one database to another)

• Heterogeneous DB solutions 25(23).7

• Transparent gateways to some DBs
• Procedural gateways to some Aps
• features: pp.818(775)

• Types of replication pp.843(795)

• Materialized view replication
• Single,Multimaster replication
• Hybrid replication