🗂️ A next-gen relational database & DBMS with ACID transactions, mergeable CRDT tables, time-travel queries, vector search, B+ Tree indexes, and differential privacy built-in. Written in C++17 with a powerful SQL engine, WAL storage, a modern GUI, and more!

Alpha-stage graph database built on SQLite with a fluent query DSL. TypeScript library for modeling connected data with ACID transactions and graph algorithms. Not production-ready yet.

Working with a real world data-set using SQL (SQLite) and Python

🔑 Explore a complete distributed key-value storage system with MyEtcd, built in Go, to learn core principles of distributed systems step by step.

A robust ERP backbone handling Order-to-Cash (O2C) and Procure-to-Pay (P2P) lifecycles. Features a 4-state inventory ledger, temporal pricing engines, and strict ACID transaction integrity.

High-availability distributed banking system with Paxos consensus for intra-shard transactions and Two-Phase Commit for cross-shard atomicity. Supports multi-cluster replication, fault tolerance, and maintains data consistency across distributed servers. Written in Go with SQLite persistence.

A DBMS-powered application for managing grocery store operations with ACID-compliant transaction handling. Supports customer ordering, profile management, and detailed admin controls like stock refill and sales analysis. Ensures data integrity, secure login, and smooth user experience for both customers and administrators.

This project highlights my SQL problem solving skills on advanced concepts like views, stored procedure, ACID transaction and Joins.

Enterprise-grade backend upgrade focusing on high performance and DevOps. Features ACID-compliant transactions (PostgreSQL), low-latency caching (Redis), and automated CI/CD pipelines via GitHub Actions.

Sistema de gestão corporativa focado em regras de negócio, controle de cargos e integridade de dados (ACID).

SQLite-based MCP memory server with WAL mode for concurrent access. Drop-in replacement for @modelcontextprotocol/server-memory

A high-performance transaction processing engine featuring a Token Bucket Rate Limiter and ACID-compliant MySQL ledger to resolve high-concurrency bottlenecks in payment systems.

A production-grade Fintech Backend Simulation built with Spring Boot 4. Features Stateful Authentication (Redis), ACID Transactions, and Concurrency Control (Pessimistic Locking) to prevent race conditions.

这是一个用Go语言实现的完整etcd克隆，专门用于学习分布式系统的核心原理和实践。项目从简单的键值存储开始，逐步实现了WAL(Write-Ahead Log)机制、ACID事务特性、Watch机制、租约系统、Raft一致性算法、性能监控、配置管理、结构化日志、Docker部署和性能基准测试等企业级功能。

VaultPay is a fast, secure, and user-friendly payment app designed for seamless transactions. Built with modern tech, it ensures safety and simplicity for all your payment needs.

Financial ledger system implementing double-entry accounting with ACID guarantees, idempotent payments, and crash-safe async webhooks using PostgreSQL + FastAPI

🚀 Build a high-performance, modern relational database with AI support, time-travel queries, and robust security for reliable enterprise solutions.