xquery-xquery-basics

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This section describes the fundamentals of XQuery.

Description

Sequence and QNames

(XQuery)

Describes sequence and also QNames and predefined namespaces.

Expression Context and

Query Evaluation (XQuery)

Describes the two contexts in which XQuery is evaluated. These two

contexts are static and dynamic.

Atomization (XQuery)

Describes atomization, which is a process of extracting the typed value of

an item.

Effective Boolean Value

(XQuery)

Describes the effective Boolean value. This value can be computed for

expressions that return a single Boolean value, a node sequence, or an

empty sequence.

Type System (XQuery)

Describes the XQuery type system with various predefined types. XQuery is

a strongly typed language for schema types and a weakly typed language

for untyped data.

Error handling (XQuery)

Describes the handling of static, dynamic, and type errors in XQuery.

Comments in XQuery

Describes how to add comments in XQuery by using the

and

delimiters.

XQuery and Static Typing

Describes XQuery in SQL Server as a statically typed language.

XQuery Language Reference (SQL Server)

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