分布式数据库安全的核心技术是用户身份验证和访问控制。
The essential security technologies of the distributed database are user authentication and access control.
分布式对象构造技术是实现分布式数据库系统的基础，而数据库访问技术是开发分布式数据库系统的关键。
Distributed object construction technique is the foundation to achieve distributed database system function, and the technique of accessing database is the key to achieve distributed database system.
移动计算技术的飞速发展，使得用户通过移动客户机随时随地访问分布式数据库上的信息成为可能。
Rapidly advancing in mobile computing makes it possible that people can access information in distributed database by mobile client anywhere at any time.
其核心技术是分布式数据库高级复制技术，以提供快速访问共享数据的能力。
In this paper, a new design method of the advanced replication of distributed database for equipment management to submarine is provided, and its functi.
目录服务作为一种日益引起业内重视的新型数据存储技术，它的数据存储方式、分布式的构造方式以及数据访问方式与分布式数据库系统有很大区别。
Directory Service is a data-storage technology, which is completely different with DBS, especially in the mode of data-storage, the structure of distributing and the mode of visiting data.
此会话管理器，是一个基于客户端的软件程序，可以技术人员可通过它访问分布式数据库管理数据库，并且只允许访问设备的连接信息。
The SSM, Secure Session Manager, is a client based software program that can provide technician access to the secure DDM database, allowing only access to the connection information for the devices.
此会话管理器，是一个基于客户端的软件程序，可以技术人员可通过它访问分布式数据库管理数据库，并且只允许访问设备的连接信息。
The SSM, Secure Session Manager, is a client based software program that can provide technician access to the secure DDM database, allowing only access to the connection information for the devices.
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