Browse categories
Explore
Fiverr Pro
English
$
USD
I will write sql queries, fix sql errors, and create database reports
Data Analyst, Power BI, SQL, Python, Excel
Data Analyst specializing in Power BI, SQL, Python, Excel, and Data Visualization. I build interactive dashboards, automate data workflows, clean and transform datasets, and create insightful reports....
About this Gig
Need professional SQL queries or help fixing database issues?
You're in the right place! I provide reliable SQL services using MySQL and PostgreSQL to help you retrieve, analyze, and manage your data efficiently.
Whether you need simple queries, complex reports, query optimization, or help troubleshooting SQL errors, I can deliver clean, accurate, and well-documented solutions tailored to your requirements.
Services I Offer
- Write SQL queries (SELECT, INSERT, UPDATE, DELETE)
- Fix SQL syntax and logic errors
- Complex JOINs (INNER, LEFT, RIGHT)
- GROUP BY & Aggregate Functions
- Subqueries & Common Table Expressions (CTEs)
- Views and Database Reporting
- SQL Query Optimization
- Data Extraction & Filtering
- Data Analysis using SQL
- MySQL & PostgreSQL Support
Why Choose Me?
- Clean and optimized SQL code
- Fast communication
- Accurate query results
- On-time delivery
- Well-documented solutions
- Client satisfaction is my priority
Please contact me before placing an order for complex database projects or custom requirements so I can recommend the best package.
Platform:
MariaDB
•
MySQL
•
PostgreSQL
Expertise:
Data structure
•
Design
•
Normalization
•
SQL
•
Performance
My Portfolio
FAQ
Which databases do you support?
I work with MySQL and PostgreSQL. If you're using another SQL database, feel free to contact me before placing an order.
What SQL services do you provide?
I can write SQL queries, fix SQL errors, optimize slow queries, create reports, perform data analysis, and work with joins, subqueries, views, CTEs, and aggregate functions.
What do I need to provide before you start?
Please provide your database schema, table structure, SQL file, sample data (if available), and a clear description of your requirements.
Can you fix SQL errors in my existing queries?
Yes. I can identify syntax errors, logical mistakes, incorrect joins, and performance issues, then provide a corrected and optimized solution.
Can you optimize slow SQL queries?
Yes. I can improve query performance by optimizing joins, filtering conditions, indexing recommendations, and overall query structure.
Will my database and data remain confidential?
Absolutely. Your database, files, and project details will remain private and confidential.
Do you provide revisions?
Yes. The number of revisions depends on the package you choose. Additional work outside the original scope can be discussed separately.
Should I contact you before placing an order?
Yes. I recommend contacting me first, especially for large databases, complex SQL tasks, or custom projects, so I can recommend the most suitable package.
