Databases & Backend

Database Design

Database design turns your business rules, queries, and expected workload into a maintainable schema with clear relationships, indexes, and documentation.

  • Delivery3–20 days
  • RevisionsPackage dependent
  • PricingQuoted by scope
Get a quote Choose the right level of scope

What this service covers

A database structure affects data integrity, reporting, application performance, and the cost of future changes. I map the core entities, workflows, permissions, reports, and retention needs before defining tables, fields, keys, and relationships. Workload assumptions are documented so the design can be reviewed again as traffic and data volume grow.

The process includes an ER diagram, appropriate data types, primary and foreign keys, uniqueness constraints, and indexes based on known query patterns. I can design for PostgreSQL, MySQL, or MongoDB after comparing consistency requirements, query behavior, team experience, and operating cost. The selected deliverables are provided as SQL or migration files with practical schema notes.

This service is suitable for new products, legacy databases that need restructuring, and teams that want a reviewed data model before development. The engagement covers the agreed number of entities and queries; application code, data migration, and production deployment are included only when listed in the package.

What's included

  • Project-specific tables and relationships
  • ER diagram and schema map
  • Data types, constraints, and index plan
  • SQL or migration files with documentation

Tools and platforms

PostgreSQLMySQLMongoDBER Diagram

How the project works

  1. 01

    Scope

    We define the objective, deliverables, dependencies, and success criteria before production starts.

  2. 02

    Build

    You review working previews, so decisions are made against tangible output.

  3. 03

    Refine

    The agreed revision rounds are used to complete details within scope.

  4. 04

    Handover

    I deliver the agreed files, access, and practical usage notes in an organized package.

Databases & Backend · Delivery

Choose the right level of scope

Final pricing is provided after scope, deliverables, and integrations are confirmed.

Starter

Core schema

A focused database structure for a small application.

  • Schema for up to 8 tables
  • Core table relationships
  • Primary and foreign keys
  • Ready-to-run SQL file
Delivery: 3–4 days Revisions: 1
Standard

Relational model

A documented relational model for up to 15 tables.

  • Schema for up to 15 tables
  • ER diagram
  • Normalization and index review
  • Representative queries
  • Schema documentation
Delivery: 5–10 days Revisions: 2
Advanced

Platform architecture

A larger data architecture with defined performance considerations.

  • Schema for up to 40 tables
  • Detailed ER diagram
  • Index strategy for agreed queries
  • Selected views or stored procedures
  • Backup and recovery outline
  • 3 revisions
Delivery: 10–20 days Revisions: 3

Frequently asked questions

How long does database design take?

Delivery normally takes 3–20 days, depending on entity count, business rules, reporting needs, and review cycles. I confirm the package scope and schedule after the requirements review.

Can you help me choose a database?

Yes. I compare data shape, transaction consistency, query patterns, team experience, hosting options, and operating cost before recommending PostgreSQL, MySQL, MongoDB, or another suitable system.

What files do I receive?

You receive the agreed SQL or migration files, an ER diagram, and documentation describing tables, relationships, constraints, and important implementation assumptions.

MySQL and PostgreSQL Optimization

Database optimization identifies measurable MySQL or PostgreSQL bottlenecks and improves the agreed queries, indexes, and server settings with before-and-after evidence.

Firebase Setup

Firebase setup gives your web or mobile app a defined backend with authentication, data storage, security rules, and selected cloud services configured for its use cases.

Supabase Setup

Supabase setup provides a PostgreSQL backend with authentication, Row Level Security, Storage, and selected realtime or server-side features configured for your app.

Get a quote for Database Design.

Share a short brief and I’ll help define the scope, dependencies, and a realistic delivery window.

Tell me about the project