A single column in a table. An < apex:column > component must always be a child of an < apex:dataTable > or < apex:pageBlockTable > component.

Note that if you specify an sObject field as the value attribute for an < apex:column > , the associated label for that field is used as the column header by default. To override this behavior, use the headerValue attribute on the column, or the column ' s header facet.

What code is the webservice keyword not allowed to be used? (No Answer)

Developers can use Visualforce to create a Visualforce page definition. A page definition consists of two primary elements:

Visualforce markup

A Visualforce controller

Visualforce markup consists of... (Select all that apply)

This integration resource is specific to an individual organization, and exposes all of the standard objects, custom objects, and any custom fields through the SOAP interface.

What is the list of steps to match regular expressions using the Pattern and Matcher classes?

Defines how labels are displayed. Depending on what component wraps it, < apex:chartLabel > gives you options for affecting labels for bar and line series labels, pie chart segments, and axes labels.

Note: This component must be enclosed by a data series component ( < apex:barSeries > , < apex:lineSeries > , or < apex:pieSeries > ) or an < apex:axis > component.

A placeholder for content that is rendered in a specific part of the parent component, such as the header or footer of an < apex:dataTable > .

An < apex:facet > component can only exist in the body of a parent component if the parent supports facets. The name of the facet component must match one of the pre-defined facet names on the parent component. This name determines where the content of the facet component is rendered. Consequently, the order in which a facet component is defined within the body of a parent component does not affect the appearence of the parent component.

See < apex:dataTable > for an example of facets.

Note: Although you can ' t represent an < apex:facet > directly in Apex, you can specify it on a dynamic component that has the facet. For example:

What does Apex provide to support programmatic control of the workflow? (No Answer)

What interface does the Apex email handler implement to setup and inbound email service?

Which trigger context variable cannot be deleted?