3 docs tagged with "part3-derived-data"

So far the book has focused on systems that handle requests as they arrive (OLTP) or read/write in real-time. But some of the most important data processing.

Batch processing has one problem: **latency**. A job that runs once a day means insights that are 24 hours stale. Stream processing is like a continuous batch.

The final chapter synthesizes everything in the book and looks forward. It addresses two questions: