Overview New and recently updated articles Modules and Prologs - XQuery Prolog XQuery Basics Type System - Sequence Type Matching Sequence and QNames (XQuery) Expression Context and Query Evaluation (XQuery) Atomization (XQuery) Effective Boolean Value (XQuery) Type System (XQuery) Error Handling (XQuery) Comments in XQuery XQuery and Static Typing XQuery Expressions Path Expressions - Specifying Axis Path Expressions - Specifying Node Test Path Expressions - Specifying Predicates Path Expressions - Using Abbreviated Syntax Primary Expressions (XQuery) Path Expressions (XQuery) Sequence Expressions (XQuery) Arithmetic Expressions (XQuery) Comparison Expressions (XQuery) Logical Expressions (XQuery) XML Construction (XQuery) FLWOR Statement and Iteration (XQuery) Ordered and Unordered Expressions (XQuery) Conditional Expressions (XQuery) Quantified Expressions (XQuery) SequenceType Expressions (XQuery) Validate Expressions (XQuery) Modules and Prologs (XQuery) Type Casting Rules in XQuery XQuery Functions against the xml Data Type Functions Related to QNames - expanded-QName Functions Related to QNames - local-name-from-QName Functions Related to QNames - namespace-uri-from-QName Aggregate Functions - count Aggregate Functions - min Aggregate Functions - max Aggregate Functions - avg Aggregate Functions - sum Functions on Sequences - empty Functions on Sequences - distinct-values Functions on Sequences - id Functions on Nodes - number Functions on Nodes - local-name Functions on Nodes - namespace-uri Functions on String Values - concat Functions on String Values - contains Functions on String Values - substring Functions on String Values - string-length Functions on String Values - lower-case Functions on String Values - upper-case Numeric Values Functions - ceiling Numeric Values Functions - floor Numeric Values Functions - round XQuery Extension Functions - sql:column() XQuery Extension Functions - sql:variable() Data Accessor Functions - string (XQuery) Data Accessor Functions - data (XQuery) Context Functions - last (XQuery) Context Functions - position (XQuery) Boolean Constructor Functions - true (XQuery) Boolean Constructor Functions - false (XQuery) Functions on Boolean Values - not Function Data Accessor Functions Constructor Functions (XQuery) XQuery Operators Against the xml Data Type Additional Sample XQueries Against the xml Data Type General XQuery Use Cases XQueries Involving Hierarchy XQueries Involving Order XQueries Handling Relational Data String Search in XQuery Handling Namespaces in XQuery