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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Introduction</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.dbplus.html">DB++</a></div> <div class="next" style="text-align: right; float: right;"><a href="dbplus.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.dbplus.html">DB++</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="intro.dbplus" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> db++, made by the German company <a href="http://www.concept-asa.de/index_gb.html" class="link external">» Concept asa</a>, is a relational database system with high performance and low memory and disk usage in mind. While providing SQL as an additional language interface, it is not really a SQL database in the first place but provides its own AQL query language which is much more influenced by the relational algebra than SQL is. </p> <p class="para"> Concept asa always had an interest in supporting open source languages, db++ has had Perl and Tcl call interfaces for years now and uses Tcl as its internal stored procedure language. </p> <div class="warning"><b class="warning">Warning</b><p class="simpara">This extension is<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this extension鈥攊ncludingthe names of its functions and any other documentation surrounding thisextension鈥攎ay change without notice in a future release of PHP.This extension should be used at your own risk.</p></div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.dbplus.html">DB++</a></div> <div class="next" style="text-align: right; float: right;"><a href="dbplus.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.dbplus.html">DB++</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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