难检字字典在线查询

汉语拼音：shù jù kù

计算机存储器中合理组织的，可供计算机使用的相关数据的集合。这些数据很少重复，数据的存储独立于使用它的程序，可为多个用户所共享。

• The same idea holds in a relational database, and the column used to make the link is referred to as a key column.

  同样的概念在关系数据库中也存在，用来进行链接的列叫做键列（keycolumn）。

• I need the user to be able to login and I a mathematical database to keep statistics of the correctly answered questions.

  我需要的用户可以登录，我的数学数据库，以保持正确回答问题的统计数字。

• Adding encryption to a database application will almost certainly decrease performance, at least minimally .

  在数据库应用程序中增加加密或多或少要降低性能。

• Some database utilities perform actions that must be audited, but do not necessarily communicate with a running engine or server.

  一些数据库实用程序执行的操作必须被审计，但是不必与正在运行的引擎或服务器进行通信。

• Throwing hardware at a problem is often the first thought, especially because databases are resource hogs.

  替换有问题的硬件通常是我们的第一考虑，主要原因是数据库会占用大量资源。

• This helps Design Advisor to better estimate how much database performance would be improved by creating new indexes.

  这能够帮助DesignAdvisor更好地估计创建新的索引能够对数据库性能有多大的改进。

• Used to define a new mining model (including training) or to drop an existing mining model from a database.

  用于定义新挖掘模型（包括定型）或从数据库中删除现有挖掘模型。

• At the time that we started on the project, an open source Bigtable implementation did not exist, so we decided to build it ourselves.

  在我们启动项目的时候，还不存在Bigtable的开源实现，于是我们决定自己来建造那么一个数据库。

• To make it easier for you to re- create the database schema when necessary , create command files to define the tables in your database .

  为了在必要时更加方便地重新创建数据库模式，请创建命令文件以定义数据库中的表。