I will do sql queries, design database schema and create er diagram
Expert in Designing And Development
About this Gig
Are you looking for professional SQL help? You're in the right place!
I will write custom SQL queries, design relational database schemas, and create professional ER diagrams for your projects. Whether you need to extract business insights, build a database from scratch, or optimize slow-running queries, I've got you covered.
Why Choose Me?
- 5+ years of SQL experience
- Clean, optimized, and commented code
- Fast turnaround
- 100% client satisfaction
️ My Services Include:
- Custom SQL Queries SELECT, JOIN, subqueries, aggregate functions, complex data manipulation
- Database Design Normalized schema design, table structures, relationships
- ER Diagrams Clear visual representation of your database structure
- Query Optimization Make your slow queries run faster
- Data Migration Clean, transform, and move data between databases
- Stored Procedures & Functions Automate repetitive tasks
- Database Documentation Comprehensive documentation for your project
Technologies I Work With:
- MySQL | PostgreSQL | SQL Server | SQLite | MariaDB
- Cloud: Amazon RDS, Google Cloud SQL, Azure SQL Database
What You'll Get:
- Clean, executable SQL scripts
- Well-commented code
- Fast delivery
- Friendly support
Contact me first
Platform:
Airtable
•
MS Access
•
MySQL
•
PL/SQL
Expertise:
SQL
•
NoSQL
•
Big data
•
ER diagrams
FAQ
What information do you need from me to start?
Please provide your database requirements, sample data (if any), and a clear description of what you want to achieve. For existing databases, share your current schema or a sample export.
Can you work with my existing database?
Absolutely! I can analyze your current database, write new queries, optimize existing ones, or help with restructuring and migration
Which SQL databases do you specialize in?
I work with MySQL, PostgreSQL, SQL Server, SQLite, and cloud databases like Amazon RDS and Google Cloud SQL
Will my data be secure?
Yes, data security is my top priority. I follow best practices to ensure your data remains confidential throughout the project
Do you provide documentation for the queries?
Yes, every query I deliver includes detailed comments and explanations so you can understand, modify, or maintain them in the future
Can you optimize my existing slow queries?
Definitely! I specialize in query performance tuning using indexing strategies, execution plan analysis, and query restructuring
What if I need revisions?
All packages include revisions. I'll work with you until you're completely satisfied with the delivery.
Do you help with student projects or assignments?
Yes, I can help with academic database projects, but all work is meant to be a learning aid and reference.
How do you deliver the completed work?
You'll receive SQL script files, ER diagrams (PDF/Image), and documentation in a organized folder structure.
What if my project scope changes during work?
No problem! We can discuss adjusting the package or creating a custom offer that fits your new requirements.

