This section describes the fundamentals of XQuery.
- 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 "
- XQuery and Static Typing
Describes XQuery in SQL Server as a statically typed language