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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>IS_USERNAME_UNIQUE Function</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T17:32:16Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="IS_USERNAME_UNIQUE Function" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E12510-01" /> <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="up" href="preface" title="Home" type="text/html" /> <link rel="up" href="apex_util.htm" title="APEX_UTIL" type="text/html" /> <link rel="up" href="apex_util055.htm" title="IS_USERNAME_U..." type="text/html" /> <link rel="prev" href="apex_util054.htm" title="Previous" type="text/html" /> <link rel="next" href="apex_util056.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface" title="Home">Home</a> > <a href="apex_util.htm" title="APEX_UTIL">APEX_UTIL</a> > IS_USERNAME_U...</p> <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="apex_util054.htm"><img src="../dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="apex_util056.htm"><img src="../dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABBFADB" name="BABBFADB"></a></p> <hr /> <div class="refsect1"> <h1><a name="AEAPI155" id="AEAPI155"></a>IS_USERNAME_UNIQUE <a id="sthref291" name="sthref291"></a>Function</h1> <p>This function returns a Boolean result based on whether the named user account is unique in the workspace.</p> <a id="sthref292" name="sthref292"></a> <p class="subhead2">Syntax</p> <pre xml:space="preserve" class="oac_no_warn"> APEX_UTIL.IS_USERNAME_UNIQUE( p_username IN VARCHAR2) RETURN BOOLEAN; </pre> <a id="sthref293" name="sthref293"></a> <p class="subhead2">Parameters</p> <p><a href="#BABDEDBI">Table: IS_USERNAME_UNIQUE Parameters</a> describes the parameters available in <code>IS_USERNAME_UNIQUE</code> function.</p> <div class="tblformal"><a id="sthref294" name="sthref294"></a><a id="BABDEDBI" name="BABDEDBI"></a> <p class="titleintable">IS_USERNAME_UNIQUE Parameters</p> <table class="Formal" title="IS_USERNAME_UNIQUE Parameters" summary="This table describes the parameters available in the IS_USERNAME_UNIQUE function." dir="ltr" border="1" width="100%" frame="hsides" rules="groups" cellpadding="3" cellspacing="0"> <col width="31%" /> <col width="*" /> <thead> <tr align="left" valign="top"> <th align="left" valign="bottom" id="r1c1-t81">Parameter</th> <th align="left" valign="bottom" id="r1c2-t81">Description</th> </tr> </thead> <tbody> <tr align="left" valign="top"> <td align="left" id="r2c1-t81" headers="r1c1-t81"> <p><code>p_username</code></p> </td> <td align="left" headers="r2c1-t81 r1c2-t81"> <p>Identifies the user name to be tested</p> </td> </tr> </tbody> </table> <br /></div> <!-- class="tblformal" --> <a id="sthref295" name="sthref295"></a> <p class="subhead2">Example</p> <p>The following example shows how to use the <code>IS_USERNAME_UNIQUE</code> function. If the user 'FRANK' already exists in the current workspace, <code>FALSE</code> will be returned, otherwise <code>TRUE</code> is returned.</p> <pre xml:space="preserve" class="oac_no_warn"> DECLARE VAL BOOLEAN; BEGIN VAL := APEX_UTIL.IS_USERNAME_UNIQUE( p_username=>'FRANK'); END; </pre></div> <!-- class="refsect1" --> <!-- 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 © 2003, 2009, Oracle and/or its affiliates. All rights reserved.</span><br /> <a href="../dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td> <td align="center"><a href="apex_util054.htm"><img src="../dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="apex_util056.htm"><img src="../dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> </div> <!-- class="footer" --> </body> </html>
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