Database Migration Services With Zero Data Loss

We migrate databases between platforms, versions, or cloud providers with rigorous data validation at every step, so nothing is lost and downtime stays minimal.

Move Your Data Without Losing Sleep

Database migrations are high-stakes — a single missed edge case can mean corrupted records or hours of downtime. We plan migrations with full data validation, rollback strategies, and staging-environment testing before anything touches production.

Why Choose NIMU for Database Migration

Cross-Platform Expertise

Migrations between MySQL, PostgreSQL, SQL Server, Oracle, and MongoDB handled confidently.

Data Integrity Validation

Row-count and checksum validation at every migration stage, not just at the end.

Minimal Downtime

Replication-based migration strategies that keep source systems live until final cutover.

Rollback Planning

A tested rollback plan in place before any migration goes to production.

Performance Tuning

Indexes and query plans reviewed post-migration, not just copied as-is.

Full Documentation

Migration runbooks and schema documentation handed over at project close.

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

1

Cross-Database Migration

Migrating between database engines such as SQL Server to PostgreSQL or Oracle to MySQL.

2

Cloud Database Migration

Moving on-premises databases to managed cloud services like RDS or Azure SQL.

3

Version Upgrades

Upgrading legacy database versions safely with compatibility testing.

4

Data Validation & Reconciliation

Post-migration checks to confirm every record transferred accurately.

Our Delivery Process

A proven, transparent process that keeps your project on time and on budget.

1

Schema & Data Assessment

Reviewing your current schema, data volume, and dependencies before planning.

2

Migration Strategy Design

Choosing between big-bang or phased replication-based migration approaches.

3

Migration Execution

Running the migration with continuous validation checkpoints.

4

Verification & Cutover

Final reconciliation, performance checks, and a controlled cutover to production.

Frequently Asked Questions

Everything you need to know before getting started.

We validate row counts and checksums at every stage of the migration, not just at the end, so discrepancies are caught immediately.
Yes, we handle cross-engine migrations such as Oracle to PostgreSQL or SQL Server to MySQL, including data type and query translation.
For most migrations we use replication-based approaches that keep the source database live until a brief final cutover window.
Always. Every migration is rehearsed in a staging environment first, with a documented rollback plan before production runs.
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