CLI advisor for ClickHouse query optimization. Formally verified rewrite rules + RAG + MCP server.

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

A security and performance inspector for Django & DRF. Features static analysis, config checks, N+1 query detection, and SARIF support for GitHub Code Scanning.

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.

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

Database Reliability Engineering platform for HA/DR, 100TB+ migrations, performance guardrails, and self-healing data systems.

AI Query Optimizer Report

An ML-powered middleware that intercepts slow SQL queries, uses regression models to predict execution times, and leverages a fine-tuned LLM to automatically rewrite inefficient code. Features Redis caching, connection pooling, and database replication for peak backend performance.

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

Documentation-as-Code knowledge base for Platform Engineering: Linux systems, backend development (Java/Python/SQL), infrastructure (Docker/CI-CD), and LTS-safe operations runbooks.

Manage SQL range binning via configuration tables instead of repetitive CASE WHEN statements.

An enterprise-grade, multi-vendor e-commerce platform built with Django & DRF. Features dual JWT/Session auth, an asynchronous cart API, Khalti payment integration, and highly optimized SQL queries (zero N+1 issues).

Personal portfolio showcasing end-to-end projects in Backend Development, Big Data Pipelines, and BI. Focused on Python, PySpark, Node.js, and SQL optimization.

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

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.

🗄️ 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.

Sistema web para mineração e consulta de slow_logs do MySQL.

Fast C extension for grouping consecutive monotonic sequences into ranges. O(n), works with any Comparable+succ type. Useful for compacting large IN() clauses in SQL.

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

This repository contains database schema designs that follow industry best practices. The schemas are designed with scalability, modularity, and maintainability in mind, and they are freely available for developers to use, study, and improve upon.