它会基于存储在目录和统计表中的统计数据而评估每一个可能的存取计划的执行开销,然后选择最低开销的存取计划。
It estimates the execution cost of each potential access plan based on the statistics data stored in catalog and statistics tables, and selects the one with the lowest cost.
这个测试案例使用两个用户来模拟查询表申明方法中的并发存取。
This test case uses two users to simulate concurrent access in the query table claim method.
通过视图存取的数据,实际上是通过标准的T -SQL查询命令构成的,而且可以来自许多不同的基础表,甚至其他视图。
The data accessed through a view is actually constructed using standard T-SQL select command and can come from one to many different base tables or even other views.
在它讨论行动之前,它在你计算机的随机存取储存器中是居留的和为讯号表。
It is resident in your computer's RAM and watches for signals before it goes into action.
为提高地震前兆数据库的存取效率,提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed.
这必须依赖之前已存在且用来识别应蒐集档案的规则,以及用以识别与存取状态的分类表。
This depends on the prior existence of rules identifying the records that should be captured and classification systems for both identification and access status.
通常并不需要使用这个索引值,而且不会存取所有相依性属性的任何表索引。
Generally, using this index value is not required, and there is no index access to tables of all dependency properties.
数据存取模块通过从该多个区域中的一个或更多区域检索该学习数据并在该学习数据之间进行插值而产生表输出。
A data access module generates a table output by retrieving the learned data from one or more of the plurality of zones and interpolating between the learned data.
使用SQL数据库系统,根据数据库逻辑设计的结果来建立数据表,这些用来存取购物系统所涉及的数据信息。
Use the SQL database system, according to result of the database logic design to the establishment data form, and these use to access the shopping system involve of data information.
当前,基于无缝海量大表的空间及时态空间数据的存取效率亟待提高。
At present, access efficiency of spatial and spatiotemporal data based on seamless massive table mechanism needs solid improvement.
您可以存取的资料表属性共有两组,一组位于伺服器总管,另外一组位于[资料表设计工具]。
There are two sets of properties you can access for tables, one in Server Explorer and the other in table Designer.
例如,预存程序可以呼叫其他的预存程序,或者预存程序也可以存取多个资料表。
For example, a stored procedure can call other stored procedures, or a stored procedure can access multiple tables.
客户端编译生成的代码能够自由存取vtable指针里的所有表,vtable始终在对象的内存映象的前4个字节里。
Code generated by a client's compiler can freely access all these tables through the vtable pointer, which is always located in the first 4 bytes of the memory image of the object.
从[资料表设计工具],您也可以在方格区按一下滑鼠右键,存取可用以建立和修改资料表关联性、条件约束、索引和索引键的对话方块。
From table Designer, you can also right-click in the grid section to access dialog boxes through which you can create and modify relationships, constraints, indexes, and keys for the table.
3存取材料性质的宏在表5.2.3中列出的宏可以用于存取材料的性质。
The macros listed in Table 5.2.3 can be used to access material property variables. 5.2.
此外,您可能会想要隐藏并停用功能表或功能表项目,因为单独隐藏并无法防止使用者经由使用快速键存取功能表命令。
Furthermore, you might want to both hide and disable the menu or menu item, as hiding alone does not prevent the user from accessing a menu command by using a shortcut key.
分派存取的权利与限制时,会涉及类似活动分类的步骤。可参考安全与存取分类表(参见4.2.5)。
Assigning rights or restrictions to access involves similar steps to activity classification. Referring to the security and access classification scheme (see 4.2.5).
没有MSIL指令,可用于在执行阶段存取常数资料表。
There are no MSIL instructions that can be used to access the Constant table at run time.
这种存取方法会在测试期间,对于资料表中的资料执行迴圈。
This access method will loop through data in a table throughout the duration of a test.
最后,在资料库需要透过预存程序进行资料表存取时,也可以覆写预设更新行为。
Finally, you can override the default update behavior when the database requires table access through stored procedures.
表示资料存放区中透过资料连接所存取之资料表或检视的资料行。
Represents a column of a table or view in the data store accessed through a data connection.
表示资料存放区中透过资料连接所存取之资料表或检视的资料行。
Represents a column of a table or view in the data store accessed through a data connection.
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