Finally, we covered how schemas can be used as an effective mechanism for controlling access to database objects in multi-user environments.
最后,讨论了在多用户环境中如何使用模式有效地控制对数据库对象的访问。
How can you restrict access to files in a multi-user environment?
你怎么能限制访问在多用户环境中的文件?
By applying carefully the database functions of transaction handling and concurrent access, the platform guarantees data reliability and data integrity in multi user network environment.
该系统还利用了数据库自身的事务处理与并发控制功能,解决了在多用户网络环境下的数据完整性和可靠性问题。
Multi-user detection technique can cancel multi-access interference, so it can enhance the capacity and performance of CDMA system.
利用多用户检测技术可以抑制多址干扰,从而提高CDMA系统的容量和性能。
The user can access and manage the electric document database running on UNIX server through the multi-document-interface.
用户通过客户端的多文档界面对运行于UNIX服务器上的电子文档数据库进行访问和管理。
The conflict will arise for the concurrent access between Shared resource and multi-user in CVGE.
协同虚拟地理环境由于存在多个用户与共享资源发生并发访问,从而将导致“访问冲突”。
Certainly, XML database must have a sound mechanism for transaction processing that is an extremely important to concurrent access for multi-user.
当然,XML数据库也必须具备完善的事务处理机制,这对于XML数据库多用户并发访问时极其重要的。
An iterative multi-user detection receiver structure is proposed for multiple input multiple output interleave division multiple access (MIMO-IDMA) systems.
提出了一种多入多出交织分多址(MIMO- IDMA)系统的迭代多用户检测架构。
The multi-user capability is obtained by means of an intelligent queuing process, while the multi-instrument access is accomplished by means of a self-synchronizing architecture.
多用户能力是通过智能排队过程得到的,多仪器访问是通过自同步结构来实现的。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
采用遗传算法搜索子载波最优分配方案,对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究,提出了一种多载波比例公平调度算法G - PFS。
This model extends the traditional RBAC model with user credentials, temporal constraints and XML document classification to enforce a content-based time-aware multi-granularity access control.
该模型从用户证书、时间约束、XML文档分类等方面对传统的RBAC模型进行了扩展,以实现基于内容的时间上下文敏感的多粒度访问控制。
Therefore, the real multi-user random access can be implemented by building a LAN based on the OCDMA technology and employing the intelligent multi-level gateway to expand the system capacity.
基于OCD MA技术组建局域网络,采用智能多级网关对系统进行扩容,能实现多用户真正的随机接入。
Therefore, the real multi-user random access can be implemented by building a LAN based on the OCDMA technology and employing the intelligent multi-level gateway to expand the system capacity.
基于OCD MA技术组建局域网络,采用智能多级网关对系统进行扩容,能实现多用户真正的随机接入。
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