PowerExchange Express CDC for Oracle can perform CDC processing much faster than PowerExchange Oracle CDC with LogMiner in certain types of Oracle environments.

PowerExchange Express CDC for Oracle processing is multithreaded to improve throughput.

PowerExchange Express CDC for Oracle can efficiently process changes in environments that have a high volume of changes and large UOWs.

PowerExchange Express CDC for Oracle supports RAC and ASM environments.

PowerExchange Express CDC for Oracle avoids the LogMiner reinitialization issues and related degradation to Oracle system performance that can occur with PowerExchange Oracle CDC with LogMiner. Overall, PowerExchange Express CDC affects Oracle system overhead to a lesser degree.

You do not need to configure periodic dumps of the Oracle data dictionary, as with PowerExchange Oracle CDC with LogMiner. PowerExchange Express CDC for Oracle copies the Oracle data dictionary into memory at initialization.