I will write, fix and optimize sql queries for postgresql, mysql and sql server
About this Gig
I am a software developer with professional experience working with SQL and PostgreSQL databases. I can write, debug, improve and explain SQL queries based on your requirements.
I can help with:
SELECT, INSERT, UPDATE and DELETE queries
JOINs and subqueries
GROUP BY and aggregations
CTEs
Window functions
CASE statements
Complex filtering and reporting queries
Query debugging
Query optimization
PostgreSQL, MySQL and SQL Server
What you will receive:
Clean and readable SQL
An explanation of the solution
Properly structured queries
Optimization suggestions when applicable
Please message me before ordering if your database task is large or requires database design.
FAQ
Which databases do you support?
PostgreSQL, MySQL and SQL Server.
Can you fix an existing SQL query?
Yes. Send me the query, schema and the expected result.
Can you work with complex queries?
Yes. Standard and Premium packages support joins, CTEs and window functions.
Can you optimize a slow query?
Yes. Premium is intended for query optimization and performance analysis.
