row-locking

Framework-agnostic PHP library for PDO transactions, savepoints, pagination, and scoped ordering with MySQL and MariaDB.

Generate sequential invoice numbers, transaction IDs, purchase orders, and business document numbers in Laravel with database row locking and configurable reset scopes.

Сервис бронирования мероприятий на Go с PostgreSQL, TTL брони, scheduler и защитой от overbooking.

Postgres inventory that cannot be oversold: cart reservations, row locks, idempotent checkout, and a test that races real connections to prove it.

Full-stack inventory and order platform with PostgreSQL row locks, atomic stock deduction, Alembic migrations, Docker, and React.

Hands-on database engineering study focused on ACID transactions, concurrency control, isolation levels, locking, deadlocks, MVCC, query optimization, and production-grade transaction design using MySQL InnoDB.

Sequential, gap-free, concurrency-safe document numbers for Laravel: invoices, quotes and credit notes. Configurable patterns, per-scope counters, period resets, row-lock safety.