Skip to content

MySQL to PostgreSQL Migration · Peterborough

MySQL to PostgreSQL Migration in Peterborough

Moving Peterborough systems from MySQL to PostgreSQL, where years of quietly bad data arrive all at once. MySQL has historically accepted what it was given — impossible dates, values silently truncated, types coerced without complaint — and PostgreSQL refuses all of it, so the migration surfaces every one of those records.

Why this comes up

The problem

The import fails on thousands of rows containing zero dates and values that were silently truncated.

What you get

What we deliver

  • Data profiled before migration, so the invalid rows are known in advance
  • A decision made per category of bad data rather than fixed row by row
  • Types mapped deliberately, since the two systems differ in meaningful ways
  • Case sensitivity addressed, as PostgreSQL treats identifiers differently
  • Queries reviewed, because MySQL-specific syntax will not run unchanged
  • Application behaviour tested, since stricter rejection surfaces latent bugs

Want this scoped for your business in Peterborough?

Thirty minutes, no charge, no sales script. You leave with a written summary of what mysql to postgresql migration would actually involve — whether or not you use us.

Book a 30-minute call

Working in Peterborough

East of England

Peterborough is a distribution centre positioned on the A1 and the East Coast Main Line, with a large warehousing base and a growing environmental services cluster.

Distribution and stock systems for national warehousing operations, plus reporting tools for environmental services firms.

Sectors we work with in Peterborough

  • Logistics
  • Manufacturing
  • Financial Services
  • Agriculture
  • Environmental Services

What we work with

Technologies and platforms

  • PostgreSQL
  • MySQL
  • pgloader
  • SQL

Who we work with

Industries we serve

  • SaaS businesses
  • Retail
  • Financial services
  • Healthcare
  • Technology companies

Why us

Why Peterborough businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

MySQL to PostgreSQL Migration in Peterborough — common questions

Why does so much data fail to import?
Because it was never valid. MySQL's traditional behaviour accepted zero dates, truncated overlong strings and converted types quietly, so a long-running database holds records that were always wrong and only now produce an error.
How should bad data be handled?
By category rather than individually. Grouping the failures — all zero dates, all truncated values — and deciding a rule for each is both faster and defensible, whereas correcting thousands of rows by hand invites inconsistency and takes far longer.
Will our queries still work?
Not all of them. MySQL-specific functions, backtick quoting and its looser grouping rules all need changing, and the differences are usually obvious errors rather than silent ones — which is inconvenient but considerably safer.
What about case sensitivity?
It catches people out. PostgreSQL folds unquoted identifiers to lower case and treats quoted ones exactly, so a schema created with mixed-case names from a tool can produce tables that must be quoted forever afterwards — worth settling deliberately at creation.
Do you work with businesses across Cambridgeshire?
Yes. We are based in Leicester, United Kingdom and work with clients throughout East of England, including Peterborough and the surrounding Cambridgeshire area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Peterborough businesses do you usually work with?
Distribution and stock systems for national warehousing operations, plus reporting tools for environmental services firms. Beyond that we work across Logistics, Manufacturing, Financial Services, Agriculture and Environmental Services.
Do you cover the areas around Peterborough?
Yes — we work throughout East of England, including Cambridge, Lincoln, Ely. Peterborough is an urban area of roughly 220,000+, and we take on work across the wider Cambridgeshire region rather than the city boundary alone.

Talk to us about MySQL to PostgreSQL Migration in Peterborough

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom