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$
USD
I will write, fix and optimize sql queries professionally
Senior Data Analyst
I’m Hariom Kumar, a passionate Data Analyst turning complex datasets into clear, actionable stories. Skilled in Python, SQL, Excel, Tableau, and Power BI, I craft dashboards, automate reports, and unc...
About this Gig
Need professional SQL query writing, debugging, or optimization? I provide reliable SQL solutions for MySQL, Microsoft SQL Server, and PostgreSQL to help businesses, developers, students, and analysts manage their databases efficiently. Whether you need simple SQL queries, complex joins, data extraction, reporting, or performance optimization, I deliver clean, accurate, and optimized SQL code tailored to your requirements.
My services include:
- SQL Query Writing
- SQL Query Optimization
- Fix SQL Errors
- SELECT, INSERT, UPDATE & DELETE
- JOINs, GROUP BY & ORDER BY
- Subqueries & CTEs
- Views & Stored Procedures
- Data Extraction & Reporting
- Database Performance Optimization
- Business Data Analysis using SQL
Why choose me?
- Fast Delivery
- Clean & Well-Documented SQL Code
- Optimized Query Performance
- Accurate Results
- Professional Communication
- 100% Data Confidentiality
- Customer Satisfaction
Please contact me before placing an order for large databases, complex SQL tasks, or custom business requirements so I can recommend the most suitable package for your project.
Platform:
MS SQL
•
MySQL
•
PostgreSQL
•
SQL Server
Expertise:
SQL
•
DQL
•
Performance
•
Query optimization
My Portfolio
FAQ
Which databases do you support?
I work with MySQL, Microsoft SQL Server, PostgreSQL, SQLite, and other SQL databases. Please contact me if you use another database.
Can you write, fix, and optimize SQL queries?
Yes. I can create new SQL queries, fix errors, improve performance, optimize slow queries, and modify existing SQL code.
What do you need to start the project?
Please provide your database type, table structure or schema, sample data (if available), project requirements, and expected output.
Do you work with complex SQL projects?
Yes. I handle JOINs, subqueries, CTEs, views, stored procedures, reporting, and query optimization for both small and large projects.
Will my database and project remain confidential?
Absolutely. Your files, database, and project details remain 100% confidential and are never shared with anyone.
