Oracle Fusion Technical: Reports, Data, Integrations and Extensions · Module 9 · Migration strategy and reconciliation
What breaks: the migration that reconciled and was wrong
Lesson 96 of 177 · 2 min
The totals matched and the detail did not. Three ways that happens, and every one passes a reconciliation built on sums alone. ONE: COMPENSATING ERRORS. Two records wrong in opposite directions by the same amount — a value on the wrong account and another on its counterpart, a debit and a credit transposed between two cost centres. The total is unchanged and both records are wrong. This is why the walked sample exists: a sum cannot see it and three records opened side by side can. TWO: AN EXCLUDED SUBSET. A status filter in the extract dropped a category — disputed invoices, inactive employees, one business unit — and the control total was taken from the same filtered extract. Both sides agree because both sides are missing the same rows. The defence is to take the control total from the SOURCE SYSTEM's own reporting, not from your extract. THREE: A…
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In this module: Module 9 · Migration strategy and reconciliation
- 1What to migrate, and what to leave behind
- 2Balances versus transactions
- 3The cutover sequence
- 4Reconciliation: proving a migration landedFree preview
- 5Data cleansing, and who owns it
- 6Mapping legacy values to Fusion
- 7Trial loads and the rehearsal nobody schedules
- 8Sub-ledger and general ledger agreement
- 9Signing off: what "done" means
- 10What breaks: the migration that reconciled and was wrong
- 11Lab briefing · Plan and reconcile a migration