I will write, fix and optimize sql queries

Argentina

I speak Spanish, English

SQL Database Specialist

I specialize in SQL queries, database optimization, joins, filtering, reporting, and fixing database issues. I can help with SELECT queries, INNER JOIN, LEFT JOIN, GROUP BY, subqueries, query optimiz...
About this Gig

I will help you solve SQL queries, fix database issues, and optimize your data structure.

Whether you need simple queries or more complex database work, I can assist you with clean, efficient, and well-structured SQL solutions.

What I can do for you:

  • Write and fix SQL queries (SELECT, INSERT, UPDATE, DELETE)
  • Work with JOINs and relationships between tables
  • Debug and optimize existing queries
  • Help with database design and normalization
  • Assist with MySQL, PostgreSQL, SQL Server, and SQLite

What you will get:

  • Clean and optimized SQL code
  • Clear explanation of the solution (if needed)
  • Fast and reliable delivery
  • Support for revisions based on your package

Why choose me:

I focus on writing efficient, structured, and easy-to-understand SQL solutions to help you get your database working correctly.


If you have any questions before ordering, feel free to message me. Ill be happy to help.

Database type:

Centralized database

Distributed database

Platform:

MariaDB

MS SQL

MySQL

PL/SQL

PostgreSQL

SQLite

SQL Server

Expertise:

Data structure

Data warehouse

ERD

Normalization

SQL

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