分布式数据库系统不具有的特点是______。

A．分布式

B．数据冗余

C．数据分布性和逻辑整体性

D．位置透明性和复制透明性

Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (66) impossible. With the model for collaborative work spreading, and with more users sharing (67) through E-mail and the Internet, enterprise EDM had become a necessity.
Many businesses are finding their greatest competitive advantage is the ability to harness the document (68) . EDM systems manage this lifecycle from creation, revision, storage and (69) to routing and workflow. They also allow users to work on documents collaboratively.
Reusability of information is EDM’s main benefit, as well as the key to creating the paradigms that drive business process (70) .

A．retrieval

B．route

C．path

D．save