I will do database design, write complex sql queries, erd, and optimization
Computer Scientist
About this Gig
A poorly designed database kills your app speed and increases server costs. Stop wasting money on unoptimized queries and messy table relationships. As an expert database architect, I design high-performance schemas, build bulletproof ERDs, and write optimized SQL queries engineered for speed and enterprise scale.
WHAT I DELIVER FOR YOUR SYSTEM:
Custom Database Design & Advanced Architecture Layouts
Strict Data Normalization (1NF, 2NF, 3NF, BCNF) to Erase Redundancy
Clean Entity-Relationship Diagrams (ERDs) Using Crow's Foot Notation
High-Performance SQL Queries (Complex Joins, CTEs, Window Functions)
Fast Stored Procedures, Automation Triggers, Functions & Views
Query Optimization & Execution Plan Tuning to Fix System Lag
ENVIRONMENTS I SUPPORT:
MySQL, PostgreSQL, MS SQL Server, Oracle PL/SQL, SQLite, MS Access
Cloud & NoSQL: Google Firebase, Firestore, MongoDB
WHY WORK WITH ME?
You receive production-ready code packed with detailed inline documentation, allowing any developer to scale your software effortlessly. No bugs or system lag. Just clean, optimized data processing.
Drop me a message with your requirements before ordering. Let's fix your database now!!!
Database type:
Centralized database
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Relational database
Platform:
Airtable
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Oracle
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PL/SQL
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PostgreSQL
FAQ
What do I need to provide to get started?
Just a simple, everyday description of your app or business idea. Tell me how your system should work in plain English. I will handle all the complex technical mappings, table rules, and database engineering for you.
Can you fix my current database if it is running too slow?
I can clean it up for you. I look inside your database system to find exactly what is causing the lag. Then, I optimize your queries and apply proper indexing to transform slow loading times into instant millisecond responses.
Which database platforms do you work with?
I work with all major systems. This includes MySQL, PostgreSQL, Microsoft SQL Server, Oracle, SQLite, and MS Access. I also design cloud and NoSQL structures for Google Firebase, Firestore, and MongoDB.
How do I know the database design will work perfectly?
Before I send you the final files, I build and run your entire database in a private testing environment. I test every single query and relationship line to ensure it is 100% stable, bug-free, and ready for your live app.
Will my other developers be able to understand your code?
Yes, perfectly. Every script I deliver contains clear, easy-to-read notes written directly alongside the code. Any programmer you hire in the future can easily read, modify, or expand your database without getting confused.

