Database Engineering / Database Migration
Database Migration
Database migrations stall because the risk feels too high — data loss, long downtime, and an application that breaks after cutover. We plan and run migrations between engines, versions, and providers with validation at every step and a tested rollback path.
This Is For You If...
You need to move from one database engine to another, such as MySQL to PostgreSQL
Your database version is reaching end of life and needs a major upgrade
You're moving from self-hosted to a managed service, or between cloud providers
You need large schema changes on a live database without taking the product offline
Which Type of Migration Is It?
Ask Yourself | Points Toward |
Are you changing database engines? | Engine Migration |
Are you upgrading a major version? | Version Upgrade |
Are you changing where the database runs? | Cloud & Hosting Migration |
Are you restructuring a live schema? | Zero-Downtime Schema Changes |
Database Migration Services We Offer
Engine Migration
Converting schema, data types, stored procedures, and queries between engines, with the application changes needed to match.
Version Upgrade
Major version upgrades tested against your workload, with compatibility issues found before production.
Cloud & Hosting Migration
Zero-Downtime Schema Changes
Expand-and-contract changes, backfills, and online schema tools so large changes don't lock tables.
What We Need From You
What to Share | Why It Helps |
Source and target database details | Defines the conversion work |
Database size and change rate | Determines cutover approach and timing |
Acceptable downtime window | Decides between replication and dump-and-restore |
Applications that connect to the database | Every one needs testing after cutover |
Common Mistakes to Avoid
Instinct | Why It Doesn't Help | Do This Instead |
Treating migration as a data copy | Queries, types, and behavior differ between engines | Test the application against the new database |
Skipping data validation | Silent data loss is found weeks later | Validate row counts and checksums before cutover |
Cutting over with no rollback | A late problem becomes an outage | Keep a tested path back until the new database is proven |
Migrating during peak traffic | Raises risk and user impact | Schedule cutover with a rehearsed runbook |
How It Works
1. Assess
We inventory schema, data, and dependent applications
2. Plan
We choose the migration method and write the runbook
3. Rehearse
We run the migration on a copy and fix what breaks
4. Cut over
We migrate with validation checks and a rollback path
5. Stabilize
We monitor and tune the new database after cutover
Why Codersarts
We treat migrations as engineering projects, not file transfers — rehearsed, validated, and reversible. Your team gets a runbook and a clear record of every change.
Turnaround Time
A migration assessment and plan is typically ready within a week. The migration itself is scheduled around your size, complexity, and downtime window.
FAQ
Can the migration be zero-downtime?
Often near-zero, using replication and staged cutover. We confirm what's achievable first.
How does this relate to wider modernization?
For whole-application moves, see Migration Engineering.
Do you migrate stored procedures and triggers?
Yes, converting them or moving the logic into the application where that's cleaner.
Is our project kept confidential?
Yes. Your data, code, and results stay confidential, and an NDA is available on request.
Related Services
Planning a Database Move?
Get a rehearsed, validated migration with a way back.