Browse categories
Explore
Fiverr Pro
English
$
USD
I will write sql queries for your database
About this Gig
Need SQL queries written, debugged, or optimized?
I write SQL queries for MySQL, PostgreSQL, and SQL Server from simple SELECT statements to complex multi-table joins and aggregations. Whether you're building a report, extracting specific data, or fixing a query that's not working right, I can help.
What I offer:
- Writing custom SQL queries based on your requirements
- Debugging queries that aren't returning the right results
- Optimizing slow queries for better performance
- Multi-table joins, subqueries, grouping, and aggregations
Why work with me:
I have hands-on experience writing SQL for real production systems including optimizing a query on a dashboard handling 14M+ records, cutting response time in half. I bring the same care to every project, big or small.
How it works:
- Share your database schema/structure and what you need the query to do
- I'll confirm scope and timeline
- You get back a tested, working query ready to use
Fast turnaround and clear communication. Message me before ordering if you're not sure which package fits your needs.
Database type:
Relational database
Platform:
MySQL
•
PostgreSQL
•
SQL Server
Expertise:
SQL
•
DML
•
DQL
•
Query optimization
My Portfolio
FAQ
What SQL databases do you work with?
MySQL, PostgreSQL, and SQL Server.
Do I need to share my actual database?
No — just share your table structure/schema (column names and types) and describe what you need. I don't need direct database access for most requests.
Can you fix a query that's not working?
Yes — send me the query and describe the issue, and I'll debug it for you.
What if my project needs more than what's listed in a package?
Message me with details before ordering and I'll let you know the best package or a custom quote.
