I will write, fix and optimize sql queries in postgresql

Need help writing or fixing an SQL query?

I can help you write clear, accurate SQL queries for data analysis, reporting, and everyday database tasks.

WHAT I CAN DO

• Write SQL queries using SELECT, JOIN, WHERE, GROUP BY and HAVING
• Combine data from multiple tables
• Use CTEs and window functions
• Fix SQL syntax errors and incorrect results
• Help investigate slow queries and suggest optimizations
• Create analytical queries and reports

WHY WORK WITH ME?

I have professional experience working with SQL, PostgreSQL, Oracle, reporting, automation, and analytical data in the banking and credit risk domain.

I focus on readable code, accurate results, and clear explanations.

BEFORE ORDERING

Please describe your task and share a sample schema or anonymized data. I will confirm the scope and delivery time before starting.

Database credentials and sensitive production data are not required.

Let's solve your SQL problem!