Data table controls are more complex, because they contain multiple child controls, such as Columns.
数据表控件更加复杂，因为它们包含了多个子控件，例如Columns。
At first, SYC specialized in hand-painting temporary backdrops and producing foam props-such as columns and arches-for professional photo shoots.
起初，SYC公司是为专业摄影公司制作手绘临时背景幕和泡沫小道具的，例如柱形物和拱形物。
A typical design is an MDC dimension for a column representing date plus dimensions on 0 to 3 other columns such as region and product_type.
典型的设计是用一个表示日期的列作为一个mdc维，再加上0到3个其他列作为其他维，例如region和product _ type。
You can attach this style to any kind of HTML element—such as a textarea—to make it four columns wide.
您可以将此样式添加到任何种类的HTML元素中 —— 比如说textarea ——来将它的宽度扩展到4列。
The catalog describes the database objects, such as tables, columns, and indexes, and contains information about the types of access that users have to these objects.
这些编目描述了数据库对象，例如表、列和索引，并包含关于用户所拥有的访问这些对象的访问类型的信息。
Some operations, such as dropping tables or columns, also destroy data.
有些操作（例如删除表或列）也会破坏数据。
This effectively reduces the need for database administrators to modify schemas when simple changes, such as the addition or removal of database columns, are performed.
当进行少量更改时，例如添加或删除数据库列，该功能可以有效地减少数据库管理员对模式的修改操作。
Often, metaprogramming frameworks need to allow aesthetic decisions, such as deciding which columns or internal fields are important for the users.
元编程框架经常需要支持一些外部决策，例如决定哪个列或内部字段对用户重要。
To split your dataset across different servers requires a lot of work at the application level, such as joining columns across two databases and making sure data is consistent.
让数据集跨越不同的服务器需要在应用程序层做大量工作，比如跨两个数据库联结列并确保数据是一致的。
After enabling a database for text, you can create text indexes on columns storing textual data in various formats, such as XML.
在为数据库启用文本搜索操作之后，可以在以各种格式(比如xml)存储文本数据的列上创建文本索引。
Statistics about individual columns such as he number of distinct values in a column.
有关单个列的统计信息，比如一列中唯一值的数量。
You can't use database features such as referential integrity, and you can't rely on tools to discover the relationships based on the names of your columns.
不能使用诸如引用完整性这样的数据库特性，也不能依赖于工具来基于列的名称发现这些关系。
There are several methods to search DB2 data in a case-insensitive manner such as the use of generated columns (see Resources).
以不区分大小写的方式搜索DB 2数据有多种方法，比如使用生成的列(请参见参考资料)。
Vertical columns cannot selectively show single components such as horizontal folders and are best suited for component additions that are best visible at all times.
垂直列不能像水平文件夹一样选择显示单一组件，它们最适合添加任何时候都可见的组件。
When looking at the properties of IXSCAN (10), you can see that the predicates applied are referencing columns qualified by labels such as Q2.
在查看IXSCAN(10)的属性时，可以看到应用的断言引用了由Q2这样的标签进行限定的列。
A relation is defined between two tables by specifying key columns that link the tables, most commonly regular relations such as customer-to-orders.
两个表之间的关系通过指定链接表的键列来定义，最常见的常规关系比如“客户-订单”。
You can use the menu for the page to select another layout, such as multiple columns, or screen splits in various formats, as shown in Figure 22.
您可以使用页面的菜单选择其他布局，例如多个列，或者不同格式的屏幕拆分，如图22所示。
This tutorial also shows how to use scalar functions to calculate and extract date information, such as day of week and month name, from date columns.
本教程还展示如何使用标量函数从date列计算和提取信息，例如星期几和月份。
For the query in this article, the basic statistics of the referenced tables, columns and indexes were collected, such as the table cardinality, column cardinality, an so on.
对于本文中的查询，收集了引用表、列、索引的统计数据，如表基数、列基数等等。
Layout information can contain the columns you want to place in the grid, as well as additional information such as formatting information, column grouping, column width, and so on.
布局信息包括想要放置在网格中的列，还有一些附加信息，如格式信息、列分组、列宽等等。
It may require putting the table in a tablespace with a large page size, such as 32k, because the page size must be large enough for all of the non-LOB and non-LONG columns to fit.
这可能要求将表放入到一个页宽较大(例如32 K)的表空间中，因为页宽必须大到足以装下所有的非lob和非long列。
Traditionally, relational DBMSs stored XML data as a single column-row entity (such as CLOB, BLOB, or VARCHAR) or decomposed ("shred") the XML data into multiple columns.
通常，关系型DBMS 将XML数据作为单个的列-行实体（例如CLOB、BLOB或VARCHAR）进行存储，或将 XML 数据分解（“撕碎”）为多个列。
Traditional analytics and database methods are excellent at handling data that can easily be represented in rows and columns and manipulated by commands such as select and join.
在处理那些可用行和列表示且通过命令(比如select和jion)操作的数据时，传统的分析和数据库方法表现非常优秀。
Most schema manipulations, such as adding and removing columns, can be done using Rails's built-in methods.
大多数的模式操作，比如添加和删除列，都可以使用Rails的内置方法完成。
The Grid control provides a few nice features, such as pagination, sorting and hiding of columns, and customer rendering.
Grid控件提供几个出色的特性，比如分页、列的排序和隐藏以及定制呈现方式。
You define a new row in the user table and map some values to columns (such as column username having the value "jane").
在user表中定义了一个新行，并映射一些值到列（例如列username拥有值 “jane”）。
Excel columns can use characters that are not valid in XML element names, such as Spaces.
excel列可以使用在XML元素名中无效的字符，比如说空格。
It is used to set encryption passwords for columns containing sensitive data, such as credit card Numbers.
CLE用于为包含敏感数据(例如信用卡号)的列设置加密密码。
First, here are some additional features that tput provides: extracting terminal information such as the devices, the number of columns and rows, and clearing data from the screen.
首先，tput提供了以下一些附加功能：提取终端信息(如设备，列数和行数)和清除屏幕上的数据。
The table model provides several methods that the JTable bean calls to get such things as the number of columns and rows in the table, or the data for a particular table cell.
表格模型提供了多种可以被JTablebean调用的方法，利用这些方法，JTable bean 就能获取一些信息，如表格的行数和列数，或者是用在特定表格单元的数据。
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