简述并发操作带来数据不一致的主要原因及解决方法。
(1)主要原因是并发操作破坏了事务的隔离性。(2)解决方法有封锁、时间戳、乐观控制法和多版本并发控制。
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But what makes some figures icons and others mere celebrities? In part, their lives have the quality of a story.( )