Change of call file status presents in call file information table by Finite State Machines mechanism.
用有限状态机机制,在话单文件信息表中表示话单文件状态的变化,以便查询。
For example, an attachment module might record the name, location, and size of a file in its own table, then associate that information with a story node.
例如,一个附件模块可能在它自己的表中记录一个文件的名称、位置和大小,然后将该信息关联到一个故事节点。
This information is kept in a file and not in a DB2 table because the information is needed for recovery.
这种信息被放在一个文件中,而不是放在DB 2表中,因为需要这种信息来执行恢复操作。
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