xquery-primary-expressions

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The XQuery primary expressions include literals, variable references, context item expressions,

constructors, and function calls.

XQuery literals can be numeric or string literals. A string literal can include predefined entity

references, and an entity reference is a sequence of characters. The sequence starts with an

ampersand that represents a single character that otherwise might have syntactic significance.

Following are the predefined entity references for XQuery.

<

&

”

’

A string literal can also contain a character reference, an XML-style reference to a Unicode

character, that is identified by its decimal or hexadecimal code point. For example, the Euro

symbol can be represented by the character reference, ”€”.

The following examples illustrate the use of literals and also entity and character references.

This code returns an error, because the

and

characters have special meaning.

Expand table

７

Note

uses XML version 1.0 as the basis for parsing.

<
>
&
"
'
<'
'>