Sfoglia categorie
Esplora
Fiverr Pro
Italiano
$
USD
I will design sql database, write queries, and create er diagram
Data Engineer
Data Engineer with 4+ years building scalable data solutions and automating workflows. I hold a Bachelor's in Software Engineering and Master's in Computer Science, specializing in data pipelines, ETL...
Informazioni su questo servizio
Looking for expert SQL database solutions? You've found the right professional.
I specialize in SQL queries, database design, ER diagrams, and complete database projects with advanced features tailored to your requirements.
WHAT I OFFER:
- Advanced SQL - JOINs, subqueries, Common Table Expressions (CTEs), window functions, recursive queries
- Database Design - Normalized schemas following best practices
- ER Diagrams - Professional entity-relationship diagrams
- Query Optimization - Improve performance and reduce execution time
- Complex Data Analysis - Reporting, aggregations, and BI queries
- Debugging & Documentation - Clean, well-commented code
DATABASES I WORK WITH: MySQL
WHY CHOOSE ME:
- Advanced SQL expertise (CTEs, window functions)
- Quality work delivered on time
- Professional documentation
- Quick response to messages
PERFECT FOR:
- Businesses needing complex reporting
- Data analysis and BI projects
- Developers requiring advanced SQL
- Database optimization
Message me before ordering to discuss your requirements!
Let's build your database solution together!
Tipo di database:
Database relazionale
Piattaforma:
MS SQL
•
MySQL
•
PostgreSQL
Expertise:
erd
•
Normalizzazione
•
SQL
•
Ottimizzazione query
FAQ
Can you write complex queries?
Absolutely! I specialize in complex SQL including multi-table JOINs, subqueries, CTEs (Common Table Expressions), window functions, recursive queries, and aggregations. I also optimize queries for better performance. Message me with your requirements!
What information do I need to provide?
Please provide: database schema/table structure, sample data (if possible), expected output, and any specific requirements. The more details you share, the better I can deliver exactly what you need. Message me before ordering if unsure!
Which database do you work with?
I specialize in MySQL and am proficient in all its features including complex queries, stored procedures, triggers, views, and optimization. MySQL is my primary expertise, ensuring you get high-quality, optimized solutions for your projects.
