BaseX 6.0

01-22-2010

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BaseX 6.0

About BaseX
It supports very large XML instances and offers a highly interactive frontend. BaseX is written in Java and freely available for download. It is developed by the Database and Information Systems Group at the University of Konstanz. Processing and Visualizing XML with a native XML Database. BaseX offers the most complete implementation of Full Text which is currently available. BaseX also offers a complete implementation of XQuery Update.

- Support of the W3C XPath/XQuery Recommendations and Full Text and Update Extensions.
- Compact database storage with text, attribute, full-text and path indexes.
- Client/Server architecture, supporting ACID safe transactions, user management, logging.
- Highly interactive visualizations, supporting very large XML documents.
- XQuery editor with syntax highlighting and error feedback.
- XQJ/XML:DB API support.

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basex(1) The XML Database basex(1) NAME
basex - XML database system and XPath/XQuery processor (command line mode) SYNOPSIS
basex [-bcdiLosuvVwxz] [query] DESCRIPTION
basex is a fast and powerful, yet light-weight and platform independent XML database system and XPath/XQuery processor. OPTIONS
A short description of option can be obtained from $ basex -h or by browsing http://docs.basex.org/wiki/Startup_Options#BaseX_Standalone DATABASE COMMANDS
A list of supported Database commands can be obtained from $ basex -c help or by browsing http://docs.basex.org/wiki/Commands EXAMPLES
o XQuery evaluation (no database, no interaction, script mode): $ basex -Lq 19+23 42 $ basex -Lq "<answer>{ 23+19 }</answer>" <answer>42</answer> o Import an XML file into database, output its content (query its root) and be verbose: $ basex -Vc "CREATE DB input /usr/share/doc/basex/examples/input.xml; XQUERY /" Database 'input' created in 136.84 ms. <html>  <head id="0"> <title>XML</title> </head>  <body id="1" bgcolor="#FFFFFF" text="#000000" link="#0000CC"> <h1>Databases & XML</h1> <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> </body> <?pi bogus?> </html> Query: / Compiling: Result: root() Parsing: 5.08 ms Compiling: 27.2 ms Evaluating: 0.87 ms Printing: 13.7 ms Total Time: 46.86 ms Hit(s): 1 Item Updated: 0 Items Printed: 358 Bytes Query executed in 42.52 ms. o XPath evaluation (with existing database): $ basex -Lc "OPEN input; XQUERY //li[1]" <li>Exercise 1</li> o Retrieve XML from the web and perform XPath query: $ basex -Lq "doc('http://files.basex.org/examples/input.xml')//li" <li>Exercise 1</li> <li>Exercise 2</li> o W3C XQuery Full-Text (make use of full-text index and perform fuzzy query with a typing error): $ basex BaseX 7.1 [Standalone] Try "help" to get more information. > SET FTINDEX on Full-Text Index: ON > CREATE DB input /usr/share/doc/basex/examples/input.xml Database 'input' created in 94.42 ms. > XQUERY //b[text() contains text 'Asisgnment' using fuzzy] <b>Assignments</b> Query executed in 8.37 ms. o Update the database and show result: > XQUERY delete node //ul Query executed in 2.79 ms. > XQUERY replace value of node //b with 'Debian rules' Query executed in 2.94 ms. > XQUERY //div <div align="right"> <b>Debian rules</b> </div> Query executed in 1.01 ms. o Open an input xml file, execute a query and write result into file: $ basex -Li /usr/share/doc/basex/examples/input.xml -q //div -o out.xml $ cat out.xml <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> o Query an already existing database called 'input'. If a file named 'input' exists in current working directory it takes precedence: $ basex -Li input -q //div <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> o Let basex process query input from standard in: $ echo '19+23' | basex -Lq- 42 o Execute commands from script file: $ cat commands.txt create db debian <debian_db/> xquery / list $ basex -LC commands.txt | grep debian <debian_db/> debian 1 4639 debian.xml o Parse non well-formed HTML (needs libtagsoup-java installed): $ cat bad.html <html> <ul> <li>A <li>B </ul> </html> $ basex -c 'set parser html; set htmlopt method=html,nons=true; create db htmldb bad.html' $ basex -q "doc('htmldb')" <html> <body> <ul> <li>A</li> <li>B</li> </ul> </body> </html> For further documentation on how to configure the HTML Parser refer to http://docs.basex.org/wiki/Parsers#HTML_Parser SEE ALSO
basexgui(1), basexserver(1), basexclient(1) ~/.basex BaseX (standalone and server) properties ~/.basexgui BaseX additional GUI properties ~/.basexperm user name, passwords, and permissions ~/.basexevents contains all existing events ~/BaseXData Default database directory ~/BaseXData/.logs Server logs ~/BaseXRepo Package repository BaseX Documentation Wiki: http://docs.basex.org HISTORY
BaseX started as a research project of the Database and Information Systems Group (DBIS) at the University of Konstanz in 2005 and soon turned into a feature-rich open source XML database and XPath/XQuery processor. LICENSE
New (3-clause) BSD License AUTHOR
BaseX is developed by a bunch of people called 'The BaseX Team' <http://basex.org/about-us/> led by Christian Gruen <cg@basex.org>. The man page was written by Alexander Holupirek <alex@holupirek.de> while packaging BaseX for Debian GNU/Linux. 26 June 2012 basex(1)

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