I will write complex sql queries ,design database schemas

Nakul S

India

I speak English

Software Developer

I am a Software Developer with experience in building healthcare and fitness applications using BLoC and Clean Architecture. I have a strong foundation in Java, Python, and AI agent development, compl...
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About this Gig

Struggling with slow SQL queries, database errors, or complex relational schemas?

I am a Computer Science engineer certified in Database Management Systems (NPTEL/IIT Top 2%). I specialize in writing clean, optimized SQL queries, designing normalized database architectures (3NF), and creating visual ER diagrams.

Services offered in this Gig:

  • Writing complex SQL queries (JOINs, GROUP BY, Subqueries, CTEs, Window Functions)
  • Database Schema Design & Normalization (1NF, 2NF, 3NF)
  • Creating professional ER Diagrams (Entity Relationship Diagrams)
  • SQL Performance Tuning & Indexing
  • PostgreSQL, MySQL, SQLite, and Supabase integration

Why work with me?

  • Certified top-tier DBMS foundation
  • Clean, commented SQL code ready for production
  • Fast delivery and step-by-step clear communication

Note: Please send me a quick message detailing your database environment and requirements before placing an order!

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write complex sql queries ,design database schemaswrite complex sql queries ,design database schemas

Database type:

Centralized database

•

Relational database

Platform:

MongoDB

•

MySQL

•

PostgreSQL

Expertise:

Design

•

Normalization

•

SQL

•

Query optimization

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