non-lock concurrency control

Multiversion concurrency control

참조 : http://en.wikipedia.org/wiki/Multiversion_concurrency_control multiversion concurrency control (abbreviated MCC or MVCC) is a concurrency control method commonly used by database management systems to provide concurrent access to the database. MVCC는 각각의 사용자에게 각자 작업할 수 있는 스냅샷을 제공합니다. 트랜잭션이 커밋되기 전에는 각자 작업한 내용을 다른

Timestamp-based concurrency control

참조 : http://en.wikipedia.org/wiki/Timestamp-based_concurrency_control 또 다른 non-lock concurrency control 방법 중 하나입니다. 다음과 같이 정의하고 있습니다. timestamp-based concurrency control is a non-lock concurrency control method, used in relational databases to safely handle transactions, using timestamps. 모든 트랜잭션이 시작할 때 timestamp를 가지게 되며 이 값은 고유하며

Concurrency control

Optimistic concurrency control

참조 : Wikipedia-Optimistic concurrency control optimistic concurrency control, (OCC) is a concurrency control method used in relational databases without using locking. It is commonly referred to as optimistic locking, a misnomer.Optimistic concurrency control Non-lock concurrency control 방법들 중에 하나로 Locking을 사용하지 않고 동시성 제어를 하는 방법을 Optimistic concurrency control 또는