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database engine tuning
Vertaling van "database engine tuning" in Chinees
In tune mode, a database administrator already knows that a part of the database physical design should be fixed, but he wants Database Engine Tuning Advisor to recommend the best physical design structures for the rest of the configuration.
在优化模式中，数据库管理员已经知道应该对数据库物理设计的一部分进行修改，但是希望数据库引擎优化顾问能够为其余配置提供最佳物理设计结构方面的建议。
If you do not explicitly specify the initial database connection for a tuning session, Database Engine Tuning Advisor uses the default database that is defined for the login you specify on the server where tuning occurs.
如果没有显式指定初始数据库连接来进行优化会话，数据库引擎优化顾问将使用为您在优化发生的服务器上指定的登录名定义的默认数据库。
Specifies that Database Engine Tuning Advisor should only offer recommendations for which the estimated improvement meets or exceeds the supplied value (in percents). If no value is specified recommendations will be provided regardless of the degree of improvement.
指定数据库引擎优化顾问只应在估计的性能提高程度达到或超过提供的值（百分比）时提供建议。如果未指定值，则无论性能提高的幅度有多大都提供建议。
If you specify the same number of events that Database Engine Tuning Advisor should tune for each configuration, you can be sure that the two tuning sessions are equivalent and are thus comparable.
如果为每种配置指定的数据库引擎优化顾问应优化的事件数相同，则可以确保两种优化会话具有相同的条件，因而具有可比性。
When you evaluate an existing session as described in the previous procedure, Database Engine Tuning Advisor also creates a new tuning session, but you cannot change the tuning options.
按照前面的过程来评估现有会话时，数据库引擎优化顾问也会创建新的优化会话，但您不能更改优化选项。
Like Database Engine Tuning Advisor, the dta utility analyzes a workload and recommends physical design structures to improve server performance for that workload.
与数据库引擎优化顾问一样，dta 实用工具可以分析工作负荷，并可为该工作负荷推荐可改进服务器性能的物理设计结构。
Launches the graphical Database Engine Tuning Advisor user interface and passes all supplied command line arguments as the initial configuration settings.
启动数据库引擎优化顾问图形用户界面，并传递提供的所有命令行参数作为初始配置设置。
Specifies that Database Engine Tuning Advisor will evaluate usefulness of existing physical design structures and will follow up with recommendations to drop low-use structures. This option cannot be used with -fa and -fp options.
指定数据库引擎优化顾问将评估现有物理设计结构的用途，并按照建议删除使用率低的结构。此选项不能与 -fa 和 -fp 选项一起使用。
The maximum amount of time, in minutes, that Database Engine Tuning Advisor will spend tuning. In general, longer times produce higher quality 0 is specified as a value, the tuning time is unlimited. When a value is not specified, the tuning time is limited to 8 hours.
数据库引擎优化顾问将在优化上花费的最长时间（分钟）。通常，时间越长，建议的质量越高。如果将值指定为 0，则对优化时间没有限制。如果未指定值，则将优化时间限制为 8 小时。
You can view the log during the tuning session to determine whether Database Engine Tuning Advisor can tune the events in your workload.
可以在优化会话过程中查看日志，以确定数据库引擎优化顾问是否能够优化工作负荷中的事件。
The name of a table or file where Database Engine Tuning Advisor writes log messages that occurred during tuning. The table name should be supplied in the form [database].[schema].[table]. That table will be created on the server against which tuning is conducted. The file name must have xml extension. If no table or file name is passed, the default table will be used.
数据库引擎优化顾问将优化过程中出现的日志消息写入到的表或文件的名称。应该以 ［数据库］.［架构］.［表］ 格式提供表名。将在进行优化的服务器上创建该表。文件名必须使用 xml 扩展名。如果未传递任何表名或文件名，将使用默认表。
When using a trace table as a workload, that table must exist on the same server where Database Engine Tuning Advisor is tuning.
使用跟踪表作为工作负荷时，该表必须位于数据库引擎优化顾问正在优化的那台服务器上。
When Database Engine Tuning Advisor creates recommendations, it automatically creates names for the objects that it recommends.
数据库引擎优化顾问创建建议时，会自动为所建议的对象创建名称。
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