目录一、主键（Primary Key）的概念二、外键（Foreignphp Key）的概念三、主键与外键的关系及作用四、外键在实际中的应用实例示例1：订单与客户关系（CASCADE操作）示例2：设置NULL操作五、组合主键与组合外键1. 组合
I am trying to run an app which is using a kernel mode driver. System locks up every hour and the only way to recover it is a hard reset. Sysrq stops responding, telnet sessions 开发者_Python百科hang
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