该术语也可指转帐处理系统将数据存储于如磁带、磁盘等介质上，使得用户不能直接和立即访问数据。

The term may also refer to the storage of data by the transfer processing system on media such as magnetic tape or disk such that the user may not have direct and immediate access to the data.

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第一个方法是立即更新，它意味着一旦你调用Update函数，你对记录集直接实现了修改，且由此影响了数据源。

The first method is immediate update, it does mean that you make changes directly to the recordset and therefore data source as soon as you issue the Update function.

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