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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"> <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> <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" /> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-04-21T9:46:25Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Changing NLS Parameter Values" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10766-01" /> <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="tdddg_globalization011.htm" title="Previous" type="text/html" /> <link rel="next" href="tdddg_globalization013.htm" title="Next" type="text/html" /> <title>Changing NLS Parameter Values</title> </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="tdddg_globalization011.htm"><img width="24" height="24" src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdddg_globalization013.htm"><img width="24" height="24" src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CACJAJGC" name="CACJAJGC"></a><a id="TDDDG99946" name="TDDDG99946"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1>Changing NLS Parameter Values</h1> <a name="BEGIN" id="BEGIN"></a> <p><a id="sthref653" name="sthref653"></a>You can change the value of one or more NLS parameters in any of these ways:</p> <ul> <li> <p>Change the values for all SQL Developer connections, current and future.</p> </li> <li> <p>On the client, change the settings of the corresponding <a id="sthref654" name="sthref654"></a><a id="sthref655" name="sthref655"></a>NLS environment variables.</p> <p>Only on the client, the new values of the NLS environment variables override the values of the corresponding NLS parameters.</p> <p>You can use environment variables to specify locale-dependent behavior for the client. For example, on a Linux system, this statement sets the value of the <code>NLS_SORT</code> environment variable to <code>FRENCH</code>, overriding the value of the <code>NLS_SORT</code> parameter:</p> <pre xml:space="preserve" class="oac_no_warn"> % setenv NLS_SORT FRENCH </pre> <div class="helpinfonote"> <p><span class="bold">Note: </span>Environment variables might be platform-dependent.</p> </div> </li> <li> <p>Change the values only for the current session, using an <code>ALTER</code> <code>SESSION</code> statement with this syntax:</p> <pre xml:space="preserve" class="oac_no_warn"> ALTER SESSION SET <span class="italic">parameter_name</span>=<span class="italic">parameter_value</span> [ <span class="italic">parameter_name</span>=<span class="italic">parameter_value</span> ]... ; </pre> <p>Only in the current session, the new values override those set in all of the preceding ways.</p> <p>You can use the <code>ALTER</code> <code>SESSION</code> to test your application with the settings for different locales.</p> </li> <li> <p>Change the values only for the current SQL function invocation.</p> <p>Only for the current SQL function invocation, the new values override those set in all of the preceding ways.</p> </li> </ul> <p>This section contains:</p> <ul> <li> <p><a href="tdddg_globalization013.htm#CACGEEED">Changing NLS Parameter Values for All SQL Developer Connections</a></p> </li> <li> <p><a href="tdddg_globalization014.htm#CACCBAGA">Changing NLS Parameter Values for the Current SQL Function Invocation</a></p> </li> </ul> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF00901','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a></p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=NLSPG188','newWindow').focus()"><span class="italic">Oracle Database Globalization Support Guide</span></a></p> <p><a href="tdddg_globalization.htm#CACDAIDC">Working in a Global Environment</a></p> </div> <!-- 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 © 1996, 2009, Oracle and/or its affiliates. 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