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$
USD
I will perform sql data analysis and deliver actionable business insights
Data Scientist and BI Engineer
Data Scientist & BI Engineer with 5+ years of experience and 100+ projects for Haier, Nestlé, PepsiCo, MCI, PCS, and clients across 10+ countries. We specialize in Power BI dashboards, Power Apps, Pow...
About this Gig
Turn your raw database into clear, actionable business insights using SQL no guessing, no manual spreadsheet digging, just the answers your data already has.
I write clean, optimized SQL queries to extract, analyze, and summarize your business data sales trends, customer behavior, inventory patterns, financial performance, or anything else sitting in your database waiting to be understood.
What you get:
Custom SQL queries built for your exact business questions
Data extraction, filtering, joins, and aggregation across multiple tables
Trend analysis (sales over time, top customers, product performance, etc.)
Query optimization for slow or inefficient existing queries
A clear summary report explaining what the data shows, in plain language
Support for MySQL, PostgreSQL, SQL Server, and SQLite
Who this is for:
Business owners, developers, and data teams who have data in a database but need someone to query it correctly and turn it into insights without hiring a full-time data analyst or DBA.
Send me your database schema (or a sample export) and the business questions you want answered, and I'll scope the right package.
Platform:
BigQuery
•
MySQL
•
PostgreSQL
•
SQL Server
Expertise:
SQL
•
ER diagrams
•
Normalization
•
Query optimization
My Portfolio
FAQ
What database systems do you work with?
MySQL, PostgreSQL, Microsoft SQL Server, and SQLite. Let me know yours if it's different — I can usually adapt.
Do I need to give you access to my live database?
Not required — a schema export or sample data file (CSV/SQL dump) is usually enough. Live access is only needed for ongoing/ Premium work.
Can you fix slow or badly written existing queries?
Yes — query optimization is included in Premium and available as an add-on for other tiers.
I don't know exactly what questions to ask my data — can you help?
Yes — send me a description of your business and data, and I'll suggest the most valuable questions to answer first.
Will you explain the results, or just hand me the queries?
Both — you get the SQL queries themselves plus a plain-language explanation of what the results mean for your business
