The tool will display the result set, if any, in a list view where each column represents one attribute.
此工具在列表视图中显示结果集（如果有的话），每个列代表一个属性。
To create a mapping, simply click on an XML node in the left panel and on any column of one of the tables.
要创建一个映射，只需单击左侧面板中的一个xml节点，再单击一个表中的任何一个列。
Whether you pick one column or three, a lot of scrolling or none, decisions on your pages' visual hierarchy will directly affect readability.
——不管你使用一栏还是三栏，多么多的链接，你页面的视觉感将会极大地影响到它的可读性。
Note that dropping a column that is referenced by one or more statements in bound packages invalidates the packages on the database.
注意，删除绑定包中的一个或多个语句引用的一个列将使数据库上的包无效。
Defeat the doubtful thoughts: in one column, write a doubtful thought, and in the opposite column, write facts that dispute that doubtful thought.
战胜怀疑想法：找一张纸，画出两栏，在一栏上写出一个自我怀疑的想法，然后再另一栏上，写出质疑这个想法的事实。
With this in mind, in Figure 2, note that one row has a null entry for the COMMENT column.
记住这些，在图2中，注意comment列的某一行有一个空的条目。
Generally, one of the MDC dimensions will be a time-based column so the same column can be used for both MDC and TP.
通常，有一个mdc维是基于时间的列，这样一来，同一个列既可以用于MDC，又可以用于TP。
Changing tables — even changing column type — can be done with no downtime, as can moving a table from one table space to another.
可以在不停机的情况下修改表(甚至修改列的类型)，还可以在表空间之间转移表。
Given the view's definition, you created a metadata object consisting of four columns and designated one column as the primary key for purposes of your work.
提供了视图定义后，可以创建由4个列组成的元数据对象，并指定一个列为主键以进行以后的工作。
A collection of named column values from a specified database row are referenced within one or more synchronously processed XPath expressions.
指定数据库中指定列值的集合在一个或多个同步处理的XPath表达式中得以引用。
In the main area of the form, we create a table with one row for each property and action pair we defined, one column for a label, another for an Edit field, and a last one for a Set button.
在表单的主区域中创建一个表，使用一行用于各个已定义的属性和操作对，一列用于标签，另一列用于Edit字段，最后一列用于Set按钮。
But that previous column leads one to question whether a session bean is necessary at all, introducing the possibility of using entity beans and their Home methods instead of session beans.
但上期专栏介绍了使用实体Bean及其Home方法代替会话Bean的可能性，从而使人们对会话Bean是否真的是必需的产生了疑问。
Figure 1 shows an example of two indexes: one a DPSI and the other an NPSI on the column ZIPCODE.
图1显示了两个索引的一个示例：一个是DPSI，另一个是NPSI，在列z IPCODE上。
For example, create table mytable (idcol int xmldoc XML) would create a table with one integer column (idcol) and one XML column (xmldoc).
例如，createtablemytable (idcolintxmldocxml)将会创建具有一个整数列(idcol)和一个xml列(xmldoc)的表。
Note: Enterprise Replication does not allow dropping a column from a replicated table when one or more replicate definitions refer to the column being dropped.
注意：当一个或多个复制定义引用被删除的列时，EnterpriseReplication不允许从一个复制表中删除一列。
We've already covered one common mistake, buffer overflows, in a previous column (see Resources for links to previous installments of Secure programmer).
以一个先前的专栏中我们已经论及了一个常见的错误：缓冲区溢出(参阅以获得安全编程先前部分的链接)。
Some seemed careless — moving a row or a column over by one in a giant spreadsheet — while others seemed inexplicable. The Duke team shrugged them off as “clerical errors.”
一些错误看起来是无心之失——庞大的电子数据表中错移的一行或一列数据；还有一些无法解释的错误，杜克的团队轻描淡写地解释为“笔误”。
For example, if COL1 is a character column of length one, a predicate like COL1 BETWEEN '2' AND '4' could be rewritten as COL1 IN (' 2 ', '3', '4').
例如，如果COL1是一个长度为1的字符列，像COL1BETWEEN'2 'AND '4 '的一个谓词可能被重写为COL1IN (' 2 '，'3 '，' 4 ')。
The next statement tells Grails that the table does not have a version column. (GORM normally creates one to help facilitate optimistic locking.)
下一条语句通知Grails表没有version列（GORM通常会创建一个 version列来优化乐观锁定）。
A common reporting requirement is to concatenate data from more than one column into a single string.
一个常见的报告需求就是将数据从多个列合并到一个字符串中。
Let me count the ways - or rather a few of the ways, because there are more howlers in the plan than I can cover in one column.
我来算算——荒谬的理由不在少数，因为这项计划中存在太多荒唐可笑之处，难以在一篇专栏文章中穷尽。
A catalog view can be based on one or more catalog tables, and the view column names are often different than their counterparts in the catalog table.
一个编目视图可以基于一个或多个编目表，并且视图中的列名常常与它们在编目表中对应的列不同。
With its closed loop of common ETL processes and a robust BI infrastructure in place, BCBST enabled financial performance management by adding just one column to a single table.
凭借着其自身的通用ETL流程闭环和一个放置到位的健壮的BI基础架构，BCBST启用了财务性能管理，只需要向单个表格中添加一列。
For example, you can set the view up so that one column wraps first, and then as the view Narrows, a second column hides, and when it Narrows further, a third column wraps, and so on.
例如，可以设置视图，先将一个列层叠显示，然后当视图变窄时，将第二个列隐藏，如果进一步变窄，则继续层叠第三个列，依此类推。
Some migrations change more than one column to consolidate a single logical change in a database.
有些迁移修改不只一个列，形成数据库中单一的逻辑变化。
If more than one column is aggregated using the same grouping key or without a grouping key, then all the aggregations are computed within the same operation with a single pass over the data.
如果利用相同的分组关键字或者没有分组关键字，来聚合多个列，那么，所有的聚合都在单个数据传递中的相同操作中进行。
Figure 8 shows that the left outer join operations are cascaded if a rule USES more than one reference column.
图8展示了如果规则使用了多个参考列，那么左外部连接就进行级联。
But do more than that: Retaining even one key tip from this column could make the difference between a small "oops" and a major catastrophe.
但是您要做的不仅是如此：即使仅保留本专栏中的一个重要技巧，也可能会产生轻微失误和重大灾难之间的天壤之别。
But do more than that: Retaining even one key tip from this column could make the difference between a small "oops" and a major catastrophe.
但是您要做的不仅是如此：即使仅保留本专栏中的一个重要技巧，也可能会产生轻微失误和重大灾难之间的天壤之别。
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