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Events replace the work that could only be performed by the scheduled tasks of the operating system, and MySQL's event scheduler can be accurate to one task per second, while the scheduled tasks of the operating system (such as CRON under Linux or task planning under Windows) can only be accurate to one task per minute.日本对中国垂涎已久，时值中华式微，中国部分领土被列强划分为租界，日本人乘机涌进上海。佐青一郎祖父曾任日本陆军少将，...2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.The hotel as a whole is relatively simple and unsophisticated, with spacious, neat and slightly old rooms.香荽听了嗔怪地说道：你就这样小气？明明见三姐姐拿了，还把另一个藏起来？枉我还帮你缝衣裳做鞋，都白疼你了。黄飞鸿带领徒弟们去省城发展宝芝林，因误会与当地虎鲨帮结仇，并结识了鬼脚七，收其为弟子。黄飞鸿年轻气盛，致使宝芝林陷入危难之中，后因父亲黄麒英的“假死”，黄飞鸿心智转变，刻苦习武，立誓铲除虎鲨帮。