目录前言一、原子性的定义二、实现原子性的核心技术2.1. Undo Log（回滚日志）2.2 事务提交与回滚机制2.3. 崩溃恢复（Crash Recovery）三、原子性的实现流程（以 UPDATE 为例）四、关键设计与优化五、原子性与其他 A
does any one know that \"what does \'#\' character means in 开发者_JS百科JNDI look up?\" like: helloUser = (HelloUser) ctx.lookup(\"HelloUser#ejb3inaction.example.HelloUser\");
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