dataset
美 ['deɪtəset]英 ['deɪtəset]
- na.数据集;数传机
- 网络资料集;数据源;数据集对象
复数:data sets
dataset
dataset
数据集
数据集(DataSet):数据集是一个或多个表的集合,DataSet可以保存多个独立的表并维护有关表之间关系的信息,因此它可 …
资料集
在资料集(dataset)中某观察单位的变量值;数量变量:变量是量化的,并且取的数值有意义。
数据源
创建一个数据源(dataset)来包含将要在图形中显示的数据,创建一个 JFreeChart 对象来代表要显示的图形 把图形输出 重要的 …
数据集对象
掌握数据集对象(DataSet) 重点:ado.net 技术 难点:ado.net 综合编程 项目 1 创建一个 windows 应用程序,用来显示数据库连 …
数据库
数据库 (DataSet) 数据源的创建及其在 WinForms 应用程序中的使用是本文的重点内容。但是,以下两点也不容忽视: • 一旦创 …
数据集合
目录 - 51CTO.COM ... 11.2 DataTable 数据表 237 11.3 DataSet 数据集合 246 12.2 ADO.NET 连接模式访问数据库 257 ...
数据集类
... 管理提供者(DataReader) 2.3 一般数据集类(DataSet) 一般数据集类(DataSet) DataSet 对象是支持 ADO.NET 的 断 …
1
You could also hardcode the dataset if it was constant and relatively small, such as the list of states in the United States.
如果数据集比较小,您还可以不断加强它,例如美国的州列表。
2
I find that it is always a good idea to choose the name for your strongly typed DataSet when you create it.
我发现在创建强类型数据集时为其选择名称始终是一个不错的主意。
3
Although this did allow you to use Typed Dataset in N-Tier scenario, it had one major problem.
尽管这的确使得您可以在N层架构中使用强类型的DataSet。
4
The view shown in Figure 2 is just a visual representation of the XML Schema that defines the strongly typed DataSet.
图2中显示的视图只是定义强类型数据集的XML架构的视觉表示。
5
The dataset used for this option is usually created specifically for the report parameter.
此选项所用的数据集通常是专门为报表参数创建的。
6
Commits all the changes made to this DataSet since it was loaded or since the last time AcceptChanges was called.
提交自加载此DataSet或上次调用AcceptChanges以来对其进行的所有更改。
7
Code to do this might look like the following, which establishes the contents of a text box as a parameter before filling a dataset.
完成该操作的代码可能如下所示,它在填充数据集之前将文本框的内容建立为参数。
8
For a database field, this must be the name of a field returned by the query in the dataset.
对于数据库字段,此值必须是数据集中查询所返回的字段的名称。
9
However, you might be using the adapter to read from a database that uses one name into a dataset that uses different names.
但您可能使用适配器从具有某个名称的数据库读入具有另一个名称的数据集中。
10
If the variable contains an ADO. NET dataset, the enumerator can be configured to enumerate rows in multiple tables or to enumerate tables.
如果变量包含ADO.NET数据集,则可以将枚举器配置为枚举多个表中的行或枚举表。
11
Google engineers claim that the response time of data queries in BigTable is only determined by the size of the result dataset.
Google工程师宣称BigTable中数据查询的响应时间只根据结果数据集的大小确定。
12
Rolls back all the changes made to the DataSet since it was created, or since the last time DataSet. AcceptChanges was called.
回滚自创建DataSet以来或上次调用DataSet.AcceptChanges以来对其进行的所有更改。
13
Weighted: For a dataset that has no duplicates, bias the selection toward the front of the list.
加权:对于一个没有重复的数据集,倾向于列表的前面的选择。
14
Automatically generates single-table commands used to reconcile changes made to a DataSet with the associated database.
自动生成用于协调DataSet的更改与关联数据库的单表命令。
15
Experiments on real world dataset show that this novel approach is quiet promising both on its rationality and effectivity.
实验结果表明了提出的关于离群点定义的合理性和算法的有效性。
16
Edit the data in the dataset and write it out to a database.
编辑数据集中的数据并将其写出到数据库中。
17
And this dataset is one of the most compelling of all: a list of every murder case since 2006.
而这份数据集是其中最令人注目之一:自2006年以来每一个谋杀案的清单。
18
Generally, adapters are configurable to allow you to specify what data to move into and out of the dataset.
通常,适配器是可配置的,允许您指定将哪些数据移入或移出数据集。
19
These physical databases that store a subset of an entire dataset are referred to as partitions, shards, or slices.
存储了整个数据集的子集的这些物理数据库被称为是分区、碎片或片。
20
Elevation data is a good example of a single-band raster dataset, often visualized with a color ramp, as shown in Figure 2.
高程数据就是很好的单级光栅数据的例子,它经常用颜色坡度,如图2所示。
21
It is an XmlDocument that can be bound to a DataSet and both classes can synchronize changes made to data contained in the two classes.
它是一个可绑定到DataSet的XmlDocument,这两个类可以同步对其中所包含的数据的更改。
22
While you can load the results of a query directly into a DataSet object, a large query result will consume a large amount of memory.
尽管您可以将查询的结果直接加载到DataSet对象中,但大型查询结果将消耗大量内存。
23
If some of our critics spent less time criticising us and prepared a dataset of their own, that would be much more constructive.
他说,“如果我们的批评家少花点时间批评我们,而去准备他们自己的数据集,会更具建设性意义。”
24
Over the next two years, the aim is to identify signatures for all approved drugs in America and build up a much more comprehensive dataset.
在过去的两年时间里,目标是建立所有美国批准认证药物的特征并建立相对广泛的数据库。
25
The report server does not lock in a specific instance of a report or its dataset to complete a data - driven subscription .
报表服务器不会锁定报表的特定实例或其数据集来完成数据驱动订阅。
26
This distribution implies parallel computing since the same computations are performed on each CPU, but with a different dataset.
因为计算分布到不同的CPU,且每个CPU处理不同的数据集,所以这样的分布式处理意味着可以采用并行计算。
27
A data adapter contains SQL commands that your application can use to read data into a dataset from a database and write it back again.
数据适配器包含可由应用程序用于将数据从数据库读入数据集并将其写回数据库的SQL命令。
28
Most data files consist of a single dataset, referred to as a layer.
大多数数据文件都包含一个单独的数据集,通常称为层。
29
The DataSet represents a complete set of data, including related tables, constraints, and relationships among the tables.
DataSet表示包括相关表、约束和表间关系在内的整个数据集。
30
When changes are made to records in the dataset , the changes have to be written back to the database .
当数据集中的记录发生更改时,这些更改必须写回数据库。