分析师将这种下降归因于数字数据库和通信系统的进步等因素。
Analysts attribute the decline to such factors as advances in digital databases and communication systems.
有些关系数据库管理系统不允许每个实例注册多个数据库。
Some relational database management systems do not allow the registration of multiple databases per instance.
通过将每个数据库注册为一个服务器,可以使这些远程数据库上的数据能够从联邦系统访问到。
Registering each database as a server allows data on each of these remote databases to be accessed from the federated system.
操作系统和数据库有可能未被正确设置。
Operating system and database Settings may not be set correctly.
数据库管理系统在事务范围之内提供锁定机制。
Database management systems provide for locking within the scope of a transaction.
这大大减少了系统和数据库停机时间。
特定的数据库系统提供这些接口的具体实现。
Specific database systems provide concrete implementations of these interfaces.
然后,这些结构可以在关系数据库管理系统中实现。
These structures are then implemented in a relational database management system.
本系列针对的是数据库系统经验不多的用户。
This series focuses on users who are less experienced with database systems.
关系数据库管理系统(DBMS)中的表或视图。
Tables or views in a relational database management system (RDBMS).
在数据库系统中,这是通过“GRANT”语句完成的。
由于联邦系统包含DB 2数据库,因此您还可以存储本地数据库,也可合并来自本地表和远程表的信息。
Because a federated system includes a DB2 database, you can also store local data, as well as combine information from local and remote tables.
它与关系数据库管理系统(RDBMS)有什么不同呢?
How is it different from Relational Database Management Systems (RDBMSs)?
底层系统调优,包括数据库和OS。
系统更新后台数据库中的订单。
还可以使用系统编目视图来检索关于数据库分区和数据库分区组的信息。
You can also use the system catalog views to retrieve information about database partitions and database partition groups.
另外,在把数据移入和移出数据库时,必须考虑不同的数据库编码页和操作系统。
Besides, different database codepages and operating systems have to be considered when moving data in and out of a database.
这减少了系统和数据库停机时间。
在这个面板中,可以随时创建到任何受支持的数据库系统的新数据库连接。
You can at any time create a new database connection from this pane to any of the supported database systems.
通过JDBC技术,支持所有的SQL数据库管理系统。
All SQL database management systems are supported through JDBC technology.
最常见的分区环境由每个物理系统上的一个数据库分区组成,这些物理系统组成数据库分区集群。
The most common partitioned environment consists of a single database partition on each physical system that makes up the database partition cluster.
考虑使用64位系统来托管数据库。
注意,默认情况下数据库管理员或系统管理员并不拥有数据库安全管理员权限。
Note that a database administrator or system administrator does not possess the database security administrator authority by default.
如果只是学习使用数据库,或者只想快速地实现数据库应用程序的原型,那么大多数商业数据库系统可能过于笨重。
If you're just learning to work with databases, or if you want to quickly prototype a database application, most commercial database systems can be cumbersome.
可以将从非自动存储数据库创建的备份镜像恢复到自动存储数据库系统,但是反之则不行。
You can restore a backup image taken from a non-automatic storage database into an automatic storage database system, but not the opposite.
在早期的事务系统(如关系数据库中的支持)中,事务只影响数据库本身的数据,且事务的范围被局限于该数据库服务器。
In early transactional systems, such as the support in relational databases, transactions affected only data in the database itself, and the transaction's scope was restricted to that database server.
如此超快的速度需要有高度响应的后端数据库,这通常需要分层的系统或数据库。
Such extreme speed requires back-end databases that are highly responsive, which typically involves a tiered system of databases.
编写审核日志事件可比作在数据库系统中编写数据库日志记录。
Writing audit log events is comparable to writing database log records in a database system.
如果源数据库变得不可用(例如,它崩溃了),那么可以激活目标系统上的备用数据库,以供用户访问。
If the source database becomes unavailable (for example, if it crashes), the standby database on the target system can be activated for user access.
对于关系数据库管理系统,一个服务器通常代表一个远程数据库。
For a relational database management system, a server usually represents a remote database.
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