I will write optimized sql queries for your database or data warehouse

Antonio L.

Italy

I speak Italian, English

Data Analyst and BI Specialist

Data Analyst & aspiring Data Engineer with hands-on experience in SQL, Python, and Business Intelligence. I help businesses make sense of their data — from cleaning messy datasets to building clear d...
Read More
About this Gig

Struggling with complex SQL queries? Need to extract, transform, or aggregate data from your database fast?


I write clean, optimized, and well-commented SQL queries for any use case from simple data pulls to complex multi-table joins, window functions, and CTEs.


What I deliver:

  • Clean SQL scripts (fully commented)
  • Optimized queries for performance
  • CTEs, subqueries, window functions
  • Aggregations & GROUP BY reports
  • JOINs across multiple tables
  • Data transformation logic


Compatible with:

MySQL · PostgreSQL · SQLite · SQL Server · BigQuery · Snowflake


All you need to do is share your schema (or describe your tables) and tell me what data you need I'll take care of the rest.


All communication via chat. No calls required. Fast delivery.

Read More
write optimized sql queries for your database or data warehouse
Full Screen
write optimized sql queries for your database or data warehouse

Related tags