Learn XQUERY with Real Code Examples
Updated Nov 20, 2025
Installation Setup
Install an XML database (BaseX, eXist-db, MarkLogic)
Install XQuery processor or command-line tool
Configure project directories and modules
Verify XML document paths and permissions
Run sample XQuery scripts to test setup
Environment Setup
Install XQuery engine
Load XML datasets
Configure indexes
Test XPath queries
Run XQuery modules
Config Files
XQuery modules (.xq)
Database index config
XML schemas (XSD)
RESTXQ configuration
Transformation pipelines
Cli Commands
basex file.xq - run XQuery in BaseX
exist run file.xq - execute in eXist-db
saxon -xq:query.xq - execute in Saxon
basexclient - connect to server
basex -c 'CREATE DB mydb'
Internationalization
Supports Unicode in XML
Locale-aware formats
Metadata standards for global content
Common in publishing workflows
Compatible with multi-language schemas
Accessibility
Supported on all major platforms
Tools available with graphical editors
XPath inspectors for easier navigation
Schema-aware typing
Standardized W3C documentation
Ui Styling
Typically no UI layer
Transforms XML into HTML for frontend
Used in CMS templating
Works with XSLT for presentation
JSON output for modern web UIs
State Management
Immutable sequences
Document-based state
Database-stored XML collections
Module-level variables
Controlled rewriting of XML nodes
Data Management
Hierarchical XML data
XPath navigation and filtering
Type-safe sequences
Schema-aware validation
JSON output for APIs