정보관리기술사 면접 키워드 | 트랜잭션 격리수준 4단계 핵심 (60초) | Powered by KPC ZIP-UP

Hinzugefügt: 2026-05-16

Transaction isolation levels control how concurrent transactions interact with each other, with four main levels: Read Uncommitted (allows dirty reads), Read Committed (prevents dirty reads but allows non-repeatable reads), Repeatable Read (prevents dirty and non-repeatable reads but allows phantom reads), and Serializable (prevents all anomalies but has the highest performance overhead).