Overview (CDC Transaction stage)

IBM InfoSphere Change Data Capture overview
IBM InfoSphere Change Data Capture (InfoSphere CDC) is a replication solution that captures database changes as they happen and delivers the changes to target databases, message queues, or an ETL solution, such as IBM InfoSphere DataStage.

CDC Transaction stage overview
You can use the CDC Transaction stage in an IBM InfoSphere DataStage job to read data that is captured by IBM InfoSphere Change Data Capture (InfoSphere CDC) and apply the change data to a target database.

Flow of change data in a CDC Transaction stage job
To understand how the CDC Transaction stage works, you should understand how data flows from the source database to the target database.

Limitations
Some limitations apply when you use the CDC Transactions stage to read change data from IBM InfoSphere Change Data Capture (InfoSphere CDC) and apply the change data to a target database.

Software prerequisites and supported installation topologies
Before using the CDC Transaction stage in an IBM InfoSphere DataStage job, you must install and configure the prerequisite IBM InfoSphere Change Data Capture (InfoSphere CDC) software. When you plan your installation, make sure that you use a supported installation topology.