I will optimize slow sql queries performance

Parte de la información aparece en idioma inglés.
TanyaZ

Estados Unidos

Hablo Inglés

Senior Data Engineer, BI and Analytics Engineering, SQL, Python, ETL Pipelines

Services Offered: SQL Optimization: • Query execution plan analysis and index optimization • Identifying and resolving complex database deadlocks and lock contention • Refactoring stored procedures an...
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Acerca de este Servicio

Is your database slow, lagging, or locking up? As a Senior Data Engineer with 10+ years of experience, I analyze and optimize slow SQL queries, stored procedures, and PySpark scripts for peak performance.

What I Offer:

  • SQL Query Refactoring: Rewriting slow queries, JOINs, CTEs, and subqueries.
  • PySpark Optimization: Tuning DataFrame operations, partitioning, and data transformations.
  • Execution Plan Analysis: Identifying bottlenecks, locking issues, and index gaps.
  • Stored Procedure Tuning: Refactoring inefficient T-SQL/SQL logic.

Technologies Supported:

  • Microsoft SQL Server (T-SQL)
  • MySQL
  • PySpark

Why Work With Me?

  • 10+ years of enterprise data platform engineering experience.
  • Production-safe, clean, and well-documented optimization.

Please contact me before placing an order to discuss your query details and choose the best package for your needs!

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optimize slow sql queries performance
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optimize slow sql queries performance

Tipo de base de datos:

Base de datos relacional

Plataforma:

db2

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MS SQL

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mySQL

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SQL Server

Experiencia:

Almacén de Datos

•

SQL

•

Rendimiento

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