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Tetra Connects

Oracle practice

Oracle data migration

Migration success means the numbers balance and the business rules still work. We build the extraction, mapping, validation, loading and reconciliation, and repeat the cycle until the results are boring.

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What organizations bring us

Moving from EBS or another system means more than copying tables. Source data was shaped by old configuration and workarounds. Duplicate suppliers, inactive customers, invalid account combinations and orphan transactions all appear when you try to load them into a system with stricter validation.

We treat migration as a repeatable process: extract, transform, validate, load, reconcile. Each rehearsal improves quality and measures how long cutover will take. By the final cycle the process is automated and the totals agree.

What the platform covers

  • Assessment and scoping

    Decide what converts: open items, balances, masters, history, attachments.

  • Mapping and transformation

    Source-to-target specifications, chart translations and cleansing rules.

  • FBDI loads

    Template generation, upload, import jobs, error review and rerun for ERP and SCM objects.

  • HDL loads

    HCM business objects in dependency order, with effective dating.

  • Reconciliation

    Balance, count and value comparisons for each object and cycle.

  • Cutover

    Sequence, timing, freeze rules and go/no-go checks.

Common use cases

  • Open payables and supplier master

    Suppliers, sites and bank accounts load first, then open invoices and credits with totals agreed to the old ledger by supplier.

  • General ledger balances and history

    Balances by period load with chart translation; history converts only as far back as the business needs.

  • Fixed assets

    Cost, accumulated depreciation and depreciation parameters load per book, and the first depreciation run is compared with source.

  • Employee and payroll balances

    Person, assignment, compensation and year-to-date balances load via HDL and reconcile employee by employee.

  • Items, on-hand and open orders

    Item master, on-hand inventory and open purchase or sales orders convert with cost reconciliation.

The migration cycle

  1. 1

    Extract

    Pull data from source with counts and control totals captured.

  2. 2

    Cleanse and map

    Apply rules agreed with data owners and translate values.

  3. 3

    Validate before load

    Check required fields, combinations and reference data.

  4. 4

    Load

    Import in dependency order and capture every rejected record.

  5. 5

    Reconcile

    Compare source and target by object, period and entity.

  6. 6

    Review with owners

    Business owners sign off each object.

  7. 7

    Repeat

    Fix, reload and time the process. Typically several cycles.

  8. 8

    Cut over

    Final load with go/no-go checks.

What a good reconciliation looks like

Illustrative scenario. Not a real client engagement. No outcomes are claimed.

Illustrative checks, not client results.

Ledger balances
Trial balance by ledger, period and account matches between source and Fusion, or every difference is listed with a reason.
Supplier and customer balances
Open item totals by supplier and customer match the control accounts.
Assets
Total cost and accumulated depreciation by book and category agree to the ledger.
Inventory
On-hand quantity and value by item and organization agree to the stock count and the ledger.
People
Headcount, assignments and year-to-date balances agree to payroll reports.

What you receive

  • Migration strategy and scope
  • Source-to-target mapping documents
  • Cleansing rules and data owner approvals
  • Automated extraction and load scripts
  • Reconciliation reports for every cycle
  • Defect log and resolution
  • Cutover runbook

Consultants we place

Staffing is a separate engagement from project delivery. You can use either, or both.

  • Oracle data migration lead

    Owns the strategy, cycles and reconciliation.

    • FBDI
    • HDL
    • reconciliation
    • project planning

  • Oracle data migration consultant

    Builds extracts, mappings and loads.

    • SQL
    • FBDI
    • HDL
    • Python or ETL tools

  • Data quality analyst

    Profiles and cleanses with data owners.

    • Profiling
    • duplicate detection
    • business rules
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Questions people ask

How much history should we convert?

As little as the business can live with. Open items, balances and a limited history are typical. Old history can remain in an archive.

How many rehearsals do we need?

Usually at least three: one to find the major issues, one to validate fixes and timing, and one dress rehearsal.

Related

  • Oracle

    Oracle Fusion Cloud ERP, SCM and HCM implementations, EBS to Fusion migration, Oracle Integration, reporting and analytics, OCI and database work.

  • Oracle Financials implementation

    Fusion General Ledger, Subledger Accounting, Payables, Receivables, Assets, Cash, Tax, Intercompany and close, implemented from enterprise structure to hypercare.

  • Data migration

    Plan, extract, cleanse, map, load and reconcile data between systems, with business owners signing off every object.

  • Oracle EBS to Fusion Cloud

    A finance-first re-implementation from E-Business Suite onto Oracle Fusion Cloud.

Have a technology challenge? Let’s work out the approach.

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Tell us the current system, the target and the timeline. A technical lead replies to talk about scope.

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Phone, United States (470) 948-0356 Phone, India +91 70321 51545 Email info@tetraconnects.com