Concurrency — When Two People Touch One Row

Stock goes negative because of ordering, not code

고급 · Lessons 3 · Lab 1

Start the lab

Curriculum

Reference docs

• PostgreSQL — 명시적 잠금
• PostgreSQL — 트랜잭션 격리
• PostgreSQL — SELECT FOR UPDATE
• PostgreSQL — 어드바이저리 잠금 함수
• PostgreSQL — pg_locks 뷰
• PostgreSQL — 런타임 설정(lock_timeout)