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I will design your sql database, create erd, and optimize queries
N8N AI Automation Expert, AI Web Developer, SEO Specialist
Hi, I'm Jahanzaib, a Computer Science Engineer (NUST) and Founder of Zazabyte Tech, helping businesses save time and grow revenue through smart automation.
I specialize in N8N AI Automation (custom wo...
About this Gig
Slow SQL queries, messy database structure, broken relationships, or missing ERD? I will design, fix, and optimize your SQL/NoSQL database so your system becomes faster, cleaner, scalable, and easy to maintain.
Services I Provide:
- SQL query fixing & optimization
- Database design & schema planning
- ERD diagrams & normalization
- Indexing & performance improvement
- Data import/export, migration & cleanup
- Admin logic, permissions & role-based access
- Backend database support for web apps, SaaS, CRM, LMS, dashboards & e-commerce systems
Tools & Databases:
- PostgreSQL, MySQL, SQL Server, Oracle
- MongoDB, Supabase, Neon DB
- Prisma, Drizzle ORM, Redis
- Lucidchart & MySQL Workbench
Package Details:
- Basic: SQL errors, query fixes & small optimization
- Standard: Full database design, ERD, schema & normalization
- Premium: Complete architecture, permissions, admin logic, migration & scalable backend planning
Why Choose Me?
- Clean database architecture
- Performance-focused optimization
- Professional ERD/schema structure
- Clear communication & documented work
Send me your database requirements, and Ill help you choose the best solution for a fast, clean, and scalable system.
My Portfolio
FAQ
1. Do you work with both SQL and NoSQL databases?
Yes, I have extensive experience designing and optimizing both relational databases like SQL Server, MySQL, and PostgreSQL, as well as NoSQL systems like MongoDB.
2. Can you fix slow-running queries?
Absolutely. I specialize in Database Optimization, which includes indexing, query restructuring, and performance tuning to ensure your application runs at maximum speed.
3. What is included in your "Normalization" service?
I ensure your database follows industry standards (1NF to 3NF) to reduce data redundancy and improve data integrity, making your system scalable for future growth.
4. Will you provide a Schema Diagram (ERD)?
Yes, for the Standard and Premium packages, I provide a detailed ERD so you can visually understand the relationships and architecture of your database.
5. I am using a specific tech stack (React/Next.js). Can you help?
As a Full-Stack Software Engineer, I can ensure your database is perfectly architected to integrate with modern frameworks like React and Next.js.
6. You are new to Fiverr; can I trust the quality of your work?
While I am a new seller here, I am a CEO and Software Engineer with over 2 years of field experience at firms like Ethisol and OraDigital Consultant. I offer high-end, authentic work at an introductory price to build my reputation here.
7. Can you migrate my data from one system to another?
Yes, I can assist with migrating data between different platforms, such as moving from SQL to NoSQL, while ensuring no data loss and maintaining proper structure.
