Serializable Isolation

Serializable Isolation — The strongest commonly defined transaction isolation target, intended to make concurrent execution equivalent to some serial ordering.

Database Context

Serializable does not necessarily mean transactions physically run one at a time. Systems may use locking, predicate locks, SSI, validation, or abort-and-retry mechanisms. The cost is often higher contention or retry probability, especially for broad read/write sets.

Related Database Concepts

• Snapshot Isolation
• write skew
• predicate lock
• retry