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MYSQL事宜理解
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- 2016-06-07 16:25:58960browse
MYSQL事务理解 MYSQL用了较久，对事务隔离级别还不是特别清楚，花了点时间，整理并且记录： ISOLATION_DEFAULT 使用数据库默认级别 ISOLATION_READ_UNCOMMITTED 不允许事务外读 ISOLATION_READ_COMMITTED 不允许事务外写 ISOLATION_REPEATABLE_READ 不允许被
MYSQL事务理解MYSQL用了较久，对事务隔离级别还不是特别清楚，花了点时间，整理并且记录：
ISOLATION_DEFAULT 使用数据库默认级别
ISOLATION_READ_UNCOMMITTED 不允许事务外读
ISOLATION_READ_COMMITTED 不允许事务外写
ISOLATION_REPEATABLE_READ 不允许被躺枪写
SPRING 事务传递性：
REQUIRED
SUPPORTS
MANDATORY
REQUIRES_NEW
NOT_SUPPORTED
NEVER
NESTED
回头再解读SPRING事务传递性
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