I will do sql queries, normalization, and erd diagrams

XOLA

South Africa

I speak English

Data Scientist ,Python, SQL, EDA and Dashboards

Final-year BSc Computer Science & Statistics student at Nelson Mandela University, currently completing a Data Science & Engineering programme at Explore AI Academy (ALX). I help clients make sense of...
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About this Gig

I'll write clean, efficient SQL queries that solve your data problems.

Need complex queries? I specialize in:

  • Complex JOINs across multiple tables
  • Subqueries & CTEs for advanced filtering
  • Query optimization for speed & efficiency
  • Database normalization review & design
  • Data extraction for reports & dashboards

I'm a BSc Computer Science & Statistics student with hands-on experience in relational database design. All queries are commented and explained so you understand exactly how they work.

Share your schema or requirements, I'll deliver clean, optimized SQL fast.

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do sql queries, normalization, and erd diagrams
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do sql queries, normalization, and erd diagrams

Database type:

Centralized database

•

Distributed database

+2 more

Platform:

MS Access

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MS SQL

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MySQL

•

SQL Server

Expertise:

SQL

•

DDL

•

DML

•

ER diagrams

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