I will design create and optimize databases er diagrams and sql queries
Data Engineering, Database, Analytics
About this Gig
Need a clean, scalable database that won't break when your data grows? I'll design it right the first time.
I'm a Data Engineer with 5+ years building production databases handling 10M+ records across MySQL, MariaDB, ClickHouse and SQLite.
What you get: Professional ER diagram (MySQL Workbench / dbdiagram.io) Normalized schema (1NF, 2NF, 3NF) no redundant data Ready-to-run SQL CREATE scripts Optimized SQL queries with proper indexing Stored procedures, triggers & views (Premium) Query performance tuning up to 90% faster execution Clear documentation your team can actually read
Perfect for: Startups building MVPs E-commerce, inventory & booking systems School/hospital/airport management systems Reporting & analytics databases Migrating from spreadsheets to a real database
Strong English, clear communication, and I explain trade-offs in plain language no jargon.
Message me before ordering with your project details so I can recommend the right package and confirm the timeline.
Platform:
MariaDB
•
MS Access
•
MySQL
•
SQLite
Expertise:
SQL
•
Performance
•
Virtualization
•
Query optimization
