Yet there are reservations about this approach to data access. 然而，對這種數據訪問方法存在著一些保留意見。
The optimizer uses its value to determine its choice of the data access method. 優化器用其值來選擇數據訪問方法。
In the Indexed Access Method,a method of indicating that a record or block is in use and is not available for another request. 在索引存取方法中，指明一個記錄或數據塊處于使用之中而且不再接受另一個使用請求的一種方法。
Accessor methods allow access to private member variables, but in a controlled manner. 存取方法允許訪問靜態成員變量，但僅能在控制方式中。
