I will clean, extract, and manipulate your data using mysql
Data Analyst Power BI SQL
About this Gig
Are you struggling with messy, unorganized data, or need to extract specific insights from your database? I am here to help!
Raw data is rarely ready for business use. I specialize in transforming raw database tables into clean, structured, and actionable datasets using MySQL. Whether you need complex queries, data normalization, or accurate data extraction to Excel/CSV, I've got you covered.
What I offer in this gig:
- Data Extraction & Querying: Writing optimized SQL queries (JOINs, Aggregations, Subqueries) to pull exactly the information you need.
- Data Cleaning & Manipulation: Handling missing values, removing duplicates, fixing inconsistencies, and standardizing data formats.
- Database Normalization: Restructuring your tables to eliminate redundancy and improve data integrity.
- Entity-Relationship Diagrams (ERD): Mapping out table relationships for a logical and solid database structure.
- Exporting Data: Delivering your fully prepared data in your preferred format (CSV, Excel, etc.).
Why choose my service? I don't just write SQL code; I understand the business logic behind the data. Because I also build advanced interactive dashboards, I know exactly how data needs to be structured
Database type:
Centralized database
•
Relational database
Platform:
MySQL
•
PostgreSQL
•
SQL Server
Expertise:
Data structure
•
ERD
•
Normalization
•
SQL
•
Performance
