当执行SIGNAL 72822语句时,DB2调用条件处理器(Condition Handler),该条件处理器首先通过IF语句测试变量var,如果var等于OK,处理器重新定义SQLSTATE为72623,并且指定了一个text,如果var不等于OK...
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转移条件就是一条是或者否的语句,处理器借以判定任何一个特定活动的当前状态。
A transition condition is a true or false statement that the processor may use to determine the current state of any particular activity.
选择的硬件和软件可能有所不同,但是主要的硬件标准是您的处理器应当具有硬件虚拟化特性 — 这是使用 KVM 的必要条件。
Your choice of hardware and software may be different, but the main hardware criterion is that your processor should have hardware virtualization available—it's a must in order to use KVM.
当条件发生时,处理器可以选择去处理它或是把它交给下一个处理器处理。
When that condition happen, a handler can choose to handle it, or pass it along to the next handle.
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