I will write and optimize sql queries for your database reporting

Kenya

I speak English, Swahili

Data analyst

Data Analyst with a BSc in Statistics and 5+ years of experience turning raw data into clear, reliable insights. I specialize in Excel, SQL, Power BI, Python, and R, covering the full data workflow ...
About this Gig

️ Turn Your Database Into Clean, Reliable Reports SQL Done Right


If your business data lives in a database instead of spreadsheets, getting a clear answer out usually means writing SQL and most business owners can't do that themselves. That's where I come in.


What you get:

- Clean, optimized SQL queries (JOIN, GROUP BY, subqueries, window functions)

- Multi-table joins that pull scattered data into one usable result

- Reporting views you can reuse without rewriting SQL each time

- Query optimization if your existing queries are slow

- Compatible with MySQL, PostgreSQL, SQL Server, and most platforms


Who this is for:

Business owners and teams whose data lives in a database (not just Excel) who need someone to extract, join, and structure it for reporting or dashboards.


Want the full pipeline?

My Premium package goes beyond SQL I extract, clean, and deliver a finished Power BI or Excel dashboard. No handoff between freelancers, no gaps.

Database type:

Centralized database

Hierarchical database

Platform:

MS SQL

PostgreSQL

SQLite

SQL Server

Expertise:

SQL

NoSQL

Big data

Query optimization