ocr: Maintrame Legacy Applications Staps LR Read legacy data 2. Find changes 3, Generalize dimension Merge keys 4. Merge sources Loadable Records 5, Create load images 6. Migrate 7.Sort and re-sort 8. Generalize aggrogate keys 9.Bulk Joad 10. Process exceptions 11.index 12. Quality assure Yarehouse 13. Pubish DBMS RBMS Users. Figure 1. The Data Extract Pipeline. Data axtraction can be visualized asa a 13-step process, starting with the transaction data on the main- frame, and ending with data at the user's desktop.
