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Welcome to the Query Portal, which is one of the [[Main Page|main]] sections of this documentation. Here you can find more information on performing XPath and XQuery requests. Apart from standard features, BaseX offers numerous extensions, which are listed on this page. ==XQuery==* [[Full-Text]]: full-text features of XQuery* [[Update]]: update mechanism of XQuery* [[XQuery 3.0]]: supported features of the upcoming [ W3C XQuery 3.0] Recommendation* [[Java Bindings]]: how to call Java code from XQuery* [[XQuery Errors|Errors]]: errors raised by XQuery expressions ==XQuery Functions== <onlyinclude>{| class="wikitable"|-! Module! Description! Prefix! Namespace URI|-| [[Database Functions|Database]]| Accessing the database and indexes.| <code>db</code>| <code><nowiki></nowiki></code>|-| [[Full-Text Functions|Full-Text]]| Performing full-text operations.| <code>ft</code>| <code><nowiki></nowiki></code>|-| [[Utility Functions|Utility]]| Testing and profiling functions.| <code>util</code>| <code><nowiki></nowiki></code>|-| [[File Functions|File]]| File handling, inspired by the [ EXPath File] module.| <code>file</code>| <code><nowiki></nowiki></code>|-| [[ZIP Functions|ZIP]]| ZIP, based on the [ EXPath ZIP] module. <font color="orange">Version 6.5.2</font>| <code>zip</code>| <code><nowiki></nowiki></code>|-| [[HTTP Functions|HTTP]]| Sending HTTP requests, based on the [ EXPath HTTP] module.| <code>http</code>| <code><nowiki></nowiki></code>|-| [[Math Functions|Math]]| Mathematical operations, extending the [ W3C Working Draft].| <code>math</code>| <code><nowiki></nowiki></code>|} Note that all namespace URIs are statically bound in BaseX, i.e., they need not be declared in the query prolog.All XQuery 3.0 functions are listed in the [ XQuery 3.0 Functions and Operators] draft;we have added a [[XQuery_3.0#REDIRECT Functions|list of all new functions]] that are already supported by BaseX. ==Indexes==Queries will be analyzed and optimized for index access on the fly. *[[Indexes|Overview]]: All indexes and their functionality*[[Execution Plan]]: Execution plans of the queries [[QueryingCategory:XQuery]]
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