Sunday, 27 September 2015

Batch,Real Time and CDC -Data Extraction Techniques

1. Batch - {On-Demand, User initiated,Loss of transactional Lineage,Can be scheduled}
2. Real Time-{Maintains transactional Lineage based on architechture,Implemented to meet tighter SLAs}
3. CDC-Change Data Capture-Continuous extraction.Transactrional Lineage is maintained,Delete data is also captured in form of soft deletes.

-For CDC implementation we need to capture CreatedDate and LastModifiedDate of records

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