Labels:text | screenshot | diagram | parallel | yellow OCR: Mainframe Legacy Applications Steps 1. Read legacy data 2. Find changes 3. Generalize dimension Merge keys 4. Merge sources Loadable Records 5. Create load images 5. Migrate 7. Sort and re-sort 8. Generalize aggregate keys 9. Bulk load 10. Process exceptions 11. Index 12. Quality assure Warehouse 13. Publish DBMS DBMS Users Figure 1. The Data Extract Pipeline. Data extraction can be visualized as a 13-step process, starting with the transaction data on the main- frame, and ending with data at the user's desktop.
