虚拟抽象被运用到服务器和存储，这样可以进行逻辑管理，而不是一个个的物理实体。
Virtual abstraction is employed so that servers and storage can be managed as logical rather than individual physical entities.
使用SQL存储过程是封装管理应用程序的业务逻辑的最佳方式，这会把开发人员需要编写的代码量减少到最低限度。
Using SQL stored procedures is the best way to encapsulate the business logic of administrative applications because it minimizes the amount of code that developers need to write.
这些模式讨论表示、到关系数据存储的映射、域逻辑、应用程序状态管理和创建的应用程序功能。
These patterns address presentation, mapping to relational data stores, domain logic, application state management, and common application functions.
元数据——由于有着逻辑与物理位置之间的映射关系，因此对于一个运行的可靠系统来说存储元数据的管理显得极为关键。
Metadata – Since there is a mapping between logical and physical location, the storage metadata and its management becomes key to a working reliable system.
为了高效地管理XML数据，像传统的SQL数据类型一样，DB 2在内部使用XML数据模型作为逻辑数据模型，同时也作为物理存储的基本单元。
To efficiently manage XML data, like traditional SQL data types, DB2 USES the XML data model internally, as the logical data model and as the fundamental unit of physical storage.
存储服务：逻辑卷管理
veritas卷管理器(VxVM)是一个存储管理子系统，它允许您以逻辑设备(称为卷)的形式管理物理磁盘。
VERITAS volume Manager (VxVM) is a storage management subsystem that enables you to manage physical disks as logical devices called volumes.
然后将其用于配置逻辑分区、分区的启动和关闭功能、以太网和存储适配器的管理，以及一些基本的系统管理功能。
It is then used for configuring logical partitions, startup and shutdown functions for partitions, management of Ethernet and storage adapters, and basic system management functions.
LVM是一种AIX磁盘管理系统，它可以在逻辑和物理存储之间映射数据。
LVM is an AIX disk management system that maps the data between logical and physical storage.
我们将逐渐向联合存储库添加一些存储库，并演示为进行用户和组管理，作为一个逻辑统一的存储库查看不同存储库的能力。
We will progressively add repositories to the federated repository and demonstrate the ability to view the different repositories as a logically unified repository for user and group management.
LVM系统确保逻辑卷在管理员物理地改变存储位置的同时能够继续正常操作。
The LVM system ensures that our logical volumes continue to operate perfectly while allowing the administrator to physically change where everything is stored.
用户到管理角色的映射存储在naming - authz .xml文件中，您可以使用类似的逻辑向用户分配管理角色。
The users-to-admin roles mapping is stored in the naming-authz.xml file, and you can use similar logic to assigning users to admin roles.
一个真正的关系型数据库管理系统，既在逻辑层考虑到完全规范化的数据库，又提供数据的物理存储，这些数据为了高性能而被调整。
A true relational DBMS would allow for a fully normalized database at the logical level, while providing physical storage of data that is tuned for high performance.
同时，对于服务部署系统而言，它也满足易管理、节省存储空间及可批量快速创建逻辑卷等诸多需求。
Meanwhile, for the service deployment systems, CVSVS is easy tobe managed, saving on storage space, and rapid to establish batch of logical volumes.
第三，通过对工程数据库的研究，运用逻辑层次数据库存储图形约束及水工图库的管理。
Third, through the study on project database, use the data stock of logic level to store the figure restraint and management of the water conservancy drawing-library.
针对上述问题，提出了库的概念，作为存储和管理文档数据的基本逻辑单位。
In order to deal with this problem, the concept of library was introduced as the basic logic unit for storage and management of document data corresponding to the phases.
这个计划十分重要，数据库的逻辑存储结构将影响数据库的性能和数据库的管理操作。
It is important to plan how the logical storage structure of the database will affect system performance and various database management operations.
内存数据库分区方法是将数据库逻辑对象存储在内存中的组织管理方法。
The partitioning technology of MMDB is to organize and manage logical database objects.
逻辑层分配了一个用来写数据到存储设备的缓冲区，物理层管理对存储设备的访问。
The logical layer allocates a buffer to use to write data to a storage device. The physical layer manages access to the storage device.
逻辑层分配了一个用来写数据到存储设备的缓冲区，物理层管理对存储设备的访问。
The logical layer allocates a buffer to use to write data to a storage device. The physical layer manages access to the storage device.
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