Optimize Laravel queries using SQL JSON aggregation - reduce multiple relation queries to a single SQL statement

Reduce multi-relation Doctrine queries to a single SQL statement using JSON aggregation. Solves Doctrine's N+1 problem.

An end-to-end business analytics SQL portfolio built on a custom e-commerce database — designed to answer real business questions about customers, revenue, retention, and product performance using advanced SQL techniques.

AI Query Optimizer Report

A curated knowledge base and second brain for MySQL architecture, query optimization, and database administration. Structured for deep learning via Obsidian.

19 production-ready PostgreSQL queries solving real e-commerce analytics challenges. Advanced SQL techniques: CTEs, window functions, complex joins & stored procedures.

🗄️ IBM Relational Database Administrator with GenAI Certificate Portfolio – A comprehensive collection of projects, labs, and assignments showcasing expertise in relational database administration, 🏘️data warehousing, 🔁ETL pipelines, and 🤖Generative AI integration for modern database management.

End-to-end SQL case study analyzing e-commerce sales data using joins, subqueries, procedures, triggers, and performance optimization

Spring Boot demo comparing JPA lazy loading (N+1 problem) vs EntityGraph optimization. Shows performance difference between 11 queries vs 1 query for Books-Authors many-to-many relationship. Includes query counting, tests, and metrics.

Sistema web para mineração e consulta de slow_logs do MySQL.

Querying, data manipulation, performance optimization, and AWS-specific SQL

A collection of algorithm solutions focusing on Data Structures, Time Complexity analysis, and SQL optimization.

Scalable ETL pipeline and PostgreSQL optimization for 40M+ records. Features memory-efficient Python preprocessing and B-Tree indexing for a 95% reduction in query latency.

Interactive Data Analytics Dashboard for German Crime Victim Statistics (2023-2024). High-performance visualization of 430k+ records using PHP, MySQL, and Chart.js.

SaaS-style SQL auditor for B2B data teams: analyzes schema + queries using LLM + rules engine to audit, optimize, and explain SQL in natural language.

Real-time FX rates processing with SQL batch and Kafka streaming solutions

Production-grade PostgreSQL analytics system for content engagement analysis

Real-world SQL query optimization case studies with before/after performance metrics and best practices

SQL performance analysis and optimization advisor with SQLMesh integration

🕵️ Surgical SQL monitoring for Django. Catch performance leaks, redundant queries, and slow database hits directly in your console. Zero-UI, API-ready, and built with modern Python 3.11+ type safety