Looks Like This Service Is On Hold
I will design database schema, erd
About this Gig
What You'll Get in This Gig:
- Professional ERD Diagrams: Clear Entity-Relationship Diagrams (using Draw.io or similar) to visualize entities, attributes, and relationships (cardinality, keys).
- Database Schema Design: Relational tables with primary/foreign keys, constraints, indexes, and best practices.
Custom SQL Queries: Optimized queries including:
- Basic SELECT/FILTER
- Complex JOINs (INNER, LEFT, RIGHT, FULL)
- Subqueries, CTEs, Window Functions (RANK, ROW_NUMBER)
- Aggregations (GROUP BY, HAVING, COUNT/SUM/AVG)
- Stored Procedures/Views if required
Full Implementation: Ready-to-run SQL scripts for MySQL or Oracle.
Query Optimization & Troubleshooting: Tips for performance, indexing, and fixing slow queries.
Delivered Files: PDF ERD, editable diagram files, SQL scripts, and documentation.
Why Choose Me?
- Certified in Data Engineering (ITI), Python Essentials 1 (Cisco Networking Academy), and multiple database/network courses.
- Real-world experience at REDCON Construction with Oracle SQL reporting and data cleaning.
- Fast delivery, clear English/Arabic communication, unlimited revisions until 100% satisfied.
Platform:
MySQL
•
Oracle
•
PL/SQL
•
SQL Server
Expertise:
Design
•
ERD
•
SQL
•
Query optimization
FAQ
Which databases do you support?
Oracle SQL and MySQL Primary,
What do you need from me to start?
Project details: entities (e.g., users, products), relationships, sample data, functional requirements, or any existing tables/queries.
Do you provide source/editable files?
Yes – ERD in editable format (Draw.io/XML), full SQL scripts (.sql), PDF exports, and documentation.
How do you handle complex requirements?
We discuss first, I propose the ERD/schema for approval, then implement and revise as needed.
Do you offer query performance optimization?
Yes, included in higher packages – with indexing suggestions and EXPLAIN analysis tips.
Can you help with university assignments or exams?
Absolutely, for educational purposes – I'll explain everything step-by-step to help you learn.

