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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>About Stored Procedures</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-06-04T17:1:1Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="About Stored Procedures" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10703-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="tdpii_distdbs004.htm" title="Previous" type="text/html" /> <link rel="next" href="tdpii_distdbs006.htm" title="Next" type="text/html" /> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="tdpii_distdbs004.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdpii_distdbs006.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CIHBHIIH" name="CIHBHIIH"></a><a id="TDPII017" name="TDPII017"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>About Stored Procedures<a id="sthref49" name="sthref49"></a><a id="sthref50" name="sthref50"></a><a id="sthref51" name="sthref51"></a><a id="sthref52" name="sthref52"></a><a id="sthref53" name="sthref53"></a></h1> <a name="BEGIN" id="BEGIN"></a> <p>To reduce network traffic when performing complex operations in a federated environment, you can use stored procedures. A <span class="bold">procedure</span> or <span class="bold">function</span> is a schema object that is run to solve a specific problem or perform a set of related tasks. Procedures and functions are identical except that functions always return a single value to the caller, while procedures do not. Generally, you use a procedure to perform an action, and you use a function to compute a value. In this guide, the general term <span class="bold">stored procedure</span> includes both procedures and functions.</p> <p>Oracle databases support stored procedures that are written in PL/SQL or Java, but this guide discusses only PL/SQL stored procedures. PL/SQL stored procedures consist of a set of SQL statements and other PL/SQL constructs that are grouped together and stored in the database. Stored procedures let you combine the ease and flexibility of SQL with the procedural functionality of a structured programming language.</p> <p>As with SQL statements, to run a stored procedure, you do not need to be aware of its physical location. Similarly, by using the appropriate Oracle Database Gateway, you can even call a stored procedure that is in a non-Oracle database. In this case, the gateway maps the PL/SQL calls to the non-Oracle database stored procedures.</p> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="tdpii_distdbs009.htm#BABFCFJJ">Tutorial: Running a Stored Procedure in a Remote Oracle Database</a></p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for information about PL/SQL stored procedures</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=JJDEV','newWindow').focus()"><span class="italic">Oracle Database Java Developer's Guide</span></a> for information about Java stored procedures</p> <p><a href="tdpii_distdbs001.htm#BABIFEFB">About Accessing and Modifying Information in Multiple Databases</a></p> </div> </div> <!-- class="sect2" --> <!-- class="sect1" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2007, 2009, Oracle and/or its affiliates. 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