I will do sql queries, sql database project, erd, select, etl job processes

Ukraine

I speak English, Ukrainian, Russian

14 orders completed

Data analyst, Excel, Google Sheets, SQL, ETL and Tableau expert

Hi! I'm a Data Analyst with 5+ years of experience in Excel, Google Sheets, SQL, ETL, and Tableau. I hold a Master's degree in Computer Science with a specialization in Data Science & Analytics from o...
About this Gig

Need help with SQL? I can create and optimize SQL queries, fix database issues, build reports, and develop ETL processes. From simple data extraction to complex transformations and automation, I'll help you turn your data into actionable insights.


What I can help you with:

  • SQL query creation and optimization
  • Debugging and fixing SQL errors
  • Data extraction and reporting
  • Complex joins, subqueries, and CTEs
  • Window functions and advanced SQL logic
  • Data cleaning and transformation
  • ETL process development
  • KPI and business metrics calculations
  • Sales, marketing, and product analytics
  • Database performance optimization
  • Data validation and quality checks
  • Building datasets for dashboards and BI tools
  • Automating recurring data processes
  • PostgreSQL, MySQL, SQL Server, BigQuery, and more
  • Custom SQL solutions tailored to your business needs

Database type:

Graph database

Key-value database

Platform:

MS SQL

Oracle

PostgreSQL

SQL Server

Expertise:

SQL

DDL

DML

DQL

My Portfolio

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