---
title: "Fix any MySQL, PostgreSQL, MongoDB, Firebase and Supabase issues"
url: https://zinnhub.com/zinns/fix-any-mysql-postgresql-mongodb-firebase-and-supabase-issues/
description: "Basic issues. These would typically less than 30 mins of development time | I'm a Senior Software Engineer building AI Powered Applications"
published: 2025-12-30T20:33:10+00:00
modified: 2026-06-30T23:58:35+00:00
language: en-GB
---

# Fix any MySQL, PostgreSQL, MongoDB, Firebase and Supabase issues

\*\*PLEASE CONTACT US BEFORE MAKING AN ORDER. THANKS\*\*

Facing database issues with \*\*MySQL, Postgres, MongoDB, Firebase, or Supabase\*\*? Zinn Digital® will help you fix errors, optimise performance, and ensure everything runs smoothly.

\*\*MySQL / Postgres\*\* Connection errors, query optimisation, schema issues, slow performance, migration problems

\*\*MongoDB\*\* Aggregation errors, data inconsistency, schema design, indexing, replica set issues

\*\*Firebase\*\* Firestore rules, auth setup, real-time database bugs, Cloud Functions errors

\*\*Supabase\*\* Auth/RLS misconfigurations, table/API errors, Postgres queries, storage or edge functions not working

– Fast and accurate issue resolution
 – Data modelling and query tuning
 – Auth and permission fixes
 – Backup, migration, and scaling support

Whether you’re stuck with a broken query, misconfigured rules, or a non-responsive backend, our London-based team will get your database back in top shape.

\*\*Send us your issue now and let’s get it fixed with clean, reliable support!\*\*

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### This Zinn Will Include (Basic Tasks. )

Basic issues. These would typically less than 30 mins of development time

**Delivery:** 3 days

**Revisions:** None

**Includes:**

• Bug investigation
• Fix documentation
• Detailed code comments

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### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 3 days | 5 days | 7 days |
| **Revisions** | None | None | None |
| Bug investigation | ✓ | ✗ | ✗ |
| Fix documentation | ✓ | ✗ | ✗ |
| Detailed code comments | ✓ | ✗ | ✗ |