Spring事务的5种隔离级别和7种传播性
隔离级别 isolation,5 种:
ISOLATION_DEFAULT,
ISOLATION_READ_UNCOMMITTED,
ISOLATION_READ_COMMITTED,
ISOLATION_REPEATABLE_READ,
ISOLATION_SERIALIZABLE,
隔离级别解决的问题:
脏读,
幻读,
不可重复读,
传播性 propagation,7 种:
PROPAGATION_REQUIRED,
PROPAGATION_SUPPORTS,
PROPAGATION_MANDATORY,
PROPAGATION_REQUIRES_NEW,
PROPAGATION_NOT_SUPPORTED,
PROPAGATION_NEVER,
PROPAGATION_NESTED,
Spring事务实现原理:
IOC+APO
梦想要一步步来!