I will write fix and optimize sql queries for your database

Victor Corrales

Mexico

I speak Spanish, English

Backend Developer and Data Engineer

Hi! I'm Victor, a Backend Developer and Data Engineer with professional experience building REST APIs, working with databases, and developing ETL solutions. I specialize in SQL, backend development, ...
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About this Gig

Are you struggling with a SQL query that doesn't work, returns the wrong results, or takes too long to execute?

I can help you write, fix, analyze, and optimize SQL queries for your database.

I have professional experience working with SQL, databases, data warehouses, and ETL processes.

I can help with:

  • Writing new SQL queries
  • Fixing SQL errors
  • Optimizing slow queries
  • JOINs and subqueries
  • CTEs
  • GROUP BY and aggregations
  • Window functions
  • Data filtering and transformations
  • Query analysis
  • Oracle SQL
  • SQL Server
  • PostgreSQL

My goal is to provide a clean, reliable, and easy-to-understand solution that matches your requirements.

Please provide the query, relevant table structure, sample data, and expected result when placing your order.

Have a SQL problem? Send me the details and let's solve it.

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write fix and optimize sql queries for your database
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write fix and optimize sql queries for your database

Database type:

Non-relational database

•

Object-oriented database

+1 more

Platform:

Oracle

•

PL/SQL

•

PostgreSQL

•

SQL Server

Expertise:

SQL

•

Performance

•

Query optimization

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