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

Certaines informations sont présentées en anglais.
Antonio L.

Italie

Je parle Italien, Anglais

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...
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À propos de ce service

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.

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

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