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Database Migration Services With Validated Data Integrity

We migrate databases between platforms, versions, or cloud providers with rigorous data validation at every step to catch and correct discrepancies before they reach production, and downtime kept to a minimum.

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.

Built for Excellence

Why Choose NIMU for Database Migration

We combine deep technical expertise with a focus on performance, security, and long-term reliability.

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.

Our Capabilities

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

01

Cross-Database Migration

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

02

Cloud Database Migration

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

03

Version Upgrades

Upgrading legacy database versions safely with compatibility testing.

04

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.

Database Migration: Frequently Asked Questions

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.
This page covers the technical execution of database migrations — moving between engines, versions, or platforms with full data validation. If your database migration is part of a larger infrastructure or cloud migration program, see the Database Migration service under our Migration Services category, which covers that broader scope.
It depends on database size, engine complexity, and how much validation and downtime planning is required — we provide a firm estimate after reviewing your current schema and data volume.
Most migrations run two to six weeks depending on data volume, the number of dependent applications, and whether a cross-engine migration is involved.
Yes, migrating to managed cloud database services such as Amazon RDS or Azure SQL is one of the most common migration paths we handle.
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