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Fiverr Pro
English
$
USD
I will write sql queries and clean your data for analysis
Power BI and Excel Dashboards That Drive Business Impact
I'm a freelance data analyst specializing in Power BI, Excel, and SQL. I transform raw data into actionable insights and visually compelling dashboards that help businesses make smarter decisions. Whe...
About this Gig
I will write clean, optimized SQL queries to help you analyze and structure your data. Whether you need simple filters, multi-table joins, or booking volume analysis, I tailor each solution to your business goals. From raw data to dashboard-ready outputs, I deliver clarity, performance, and insight.
Database type:
Relational database
Platform:
MS Access
•
MS SQL
•
MySQL
•
PostgreSQL
Expertise:
ERD
•
Normalization
•
SQL
•
Query optimization
My Portfolio
FAQ
What kind of SQL tasks do you handle?
I write clean, efficient SQL queries for data analysis, cleaning, joins, filtering, and dashboard-ready outputs. I also optimize queries for performance and structure data for reporting.
Can you work with messy or incomplete data?
Yes! I specialize in cleaning and organizing raw datasets so they’re ready for analysis or dashboard integration.
Which database systems do you support?
I work with MySQL, PostgreSQL, MS SQL Server, and SQLite. If you're using another system, feel free to ask—I may be able to help.
Do you provide ER diagrams or schema documentation?
Yes, in Standard and Premium packages. I can create ERDs to show table relationships and help you understand your database structure.
Can you format the output for Excel or Power BI dashboards?
Absolutely. I can prepare query results in a format that plugs directly into Excel or Power BI for visualization.
Will you explain how the queries work?
Yes! I include comments in the SQL code and can provide a summary document if requested, so you understand the logic behind each query.
Do you optimize queries for speed and performance?
Yes, especially in the Premium package. I ensure your queries run efficiently, even with large datasets.
