undefined record

基本解釋

For example, an" undefined record"is a record of unspecified or unknown length.
例如，某條“未定義記錄”就是一種未確定或不知道長度的記錄。
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If neither the filter nor the comparator are specified, the enumeration will traverse all records in the record store in an undefined order.
如果既沒有指定過濾器又沒有指定比較器，枚舉將以未定義的順序遍歷記錄存儲中的所有記錄。
The state of a record updated by two users at the same time is undefined unless the system can guarantee that two users cannot update a record simultaneously.
由兩個(gè)用戶同時(shí)更新的記錄的狀態(tài)是未定義的，除非系統(tǒng)可以保證兩個(gè)用戶無法同時(shí)更新記錄。