I will design sql databases, er diagrams and write queries

Angelo G.

Paraguay

I speak Spanish, English

Software Developer

I am a Software Developer specializing in Python automation, API integration, and database architecture. I help businesses save hours of manual work by building robust back-end systems, automated data...
Read More
About this Gig

Need a fast, reliable SQL database solution or ER diagram in under 24 hours? Don't let slow queries or messy data structures block your project.

I design, optimize, and troubleshoot PostgreSQL, MySQL, and relational databases with express delivery and clean architecture.

What I can do for you TODAY:

  • Express SQL Queries & Bug Fixing: Complex JOINs, subqueries, aggregations, and fixing broken SQL scripts fast.
  • Database Design & Normalization (3NF): Scalable schemas built from scratch with proper primary/foreign keys and constraints.
  • Professional ER Diagrams: Clear visual Entity-Relationship models ready for your team or project documentation.
  • Performance & Indexing: Speed up slow databases and integrate them seamlessly with Python or Java backends.

Why work with me?

  • 24-Hour Express Turnaround on Basic & Standard packages.
  • Clean, production-ready .sql scripts and clear documentation.

Have an urgent deadline? Message me right nowI reply fast!

Read More
design sql databases, er diagrams and write queries
Full Screen
design sql databases, er diagrams and write queries
Full Screen
Full Screen
View Presentation
design sql databases, er diagrams and write queriesdesign sql databases, er diagrams and write queriesdesign sql databases, er diagrams and write queriesdesign sql databases, er diagrams and write queries

Database type:

Centralized database

•

Distributed database

+2 more

Platform:

MySQL

•

PostgreSQL

•

SQLite

•

SQL Server

Expertise:

Design

•

ERD

•

SQL

•

Query optimization

Related tags