Querying

Welcome to the Query Portal. Here your find more information on performing XPath and XQuery requests. Apart from standard features, BaseX offers numerous extensions, which are listed on this page.

Extensions

• Full-Text: full-text features of XQuery
• Update: update mechanism of XQuery
• Java Bindings: how to call Java methods from XQuery

Functions

• Database (db): Database-related functions
• Full-Text (ft): Full-text functions
• Utility Functions (util): Testing and profiling functions
• Math Functions (math): functions for mathematical operations
• File Functions (file): functions for file handling, inspired by the EXPath File Module
• HTTP Functions (http): Full-text functions, based on the EXPath HTTP Client Module

Please find all standard XQuery 1.1/3.0 Functions in the Official W3C Specification.

Indexes

• Overview: All indexes and their functionality

Query Processor

• Analysis & Optimization: Queries will be analyzed and optimized on the fly
• Execution Plan: Execution plans of the queries