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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="Traversing Dense Associative Arrays" /> <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_subprograms046.htm" title="Previous" type="text/html" /> <link rel="next" href="tdddg_subprograms048.htm" title="Next" type="text/html" /> <title>Traversing Dense Associative Arrays</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_subprograms046.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_subprograms048.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="CIHBIEFB" name="CIHBIEFB"></a><a id="TDDDG49500" name="TDDDG49500"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>Traversing Dense Associative Arrays</h1> <a name="BEGIN" id="BEGIN"></a> <p>A <span class="bold">dense associative array</span> (indexed by integer) has no gaps between elements—every element between the first and last element is defined and has a value (which can be <code>NULL</code>). You can traverse a dense array with a statement, as in the following example.</p> <p>When inserted in the executable part of the example in <a href="tdddg_subprograms046.htm#BABJHJBJ">Populating Associative Arrays</a>, after the code that populates the <code>employees_jobs</code> array, the statement in the following example prints the elements of the <code>employees_jobs</code> array in the order in which they were stored. Their storage order was determined by the <code>ORDER</code> <code>BY</code> clause in the declaration of <code>employees_jobs_cursor</code>, which was used to declare <code>employees_jobs</code> (see the example in <a href="tdddg_subprograms045.htm#BABBIBHD">Declaring Associative Arrays</a>).</p> <p>The upper bound of the statement, <code>employees_jobs</code>. <a id="sthref522" name="sthref522"></a><a id="sthref523" name="sthref523"></a><code>COUNT</code>, invokes a collection method that returns the number of elements in the array. For more information about <code>COUNT</code>, see <a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS99967','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a>.</p> <div class="example"><a id="CIHFJFDG" name="CIHFJFDG"></a><a id="TDDDG245" name="TDDDG245"></a> <p class="titleinexample">Traversing a Dense Associative Array</p> <pre xml:space="preserve" class="oac_no_warn"> -- Code that populates employees_jobs must precede this code: FOR i IN 1..<span class="bold">employees_jobs.COUNT</span> LOOP DBMS_OUTPUT.PUT_LINE( RPAD(employees_jobs(i).first_name, 23) || RPAD(employees_jobs(i).last_name, 28) || employees_jobs(i).job_id); END LOOP; </pre> <p>Result:</p> <pre xml:space="preserve" class="oac_no_warn"> William Gietz AC_ACCOUNT Shelley Higgins AC_MGR Jennifer Whalen AD_ASST Steven King AD_PRES Lex De Haan AD_VP Neena Kochhar AD_VP John Chen FI_ACCOUNT ... Jose Manuel Urman FI_ACCOUNT Nancy Greenberg FI_MGR Susan Mavris HR_REP David Austin IT_PROG ... Valli Pataballa IT_PROG Michael Hartstein MK_MAN Pat Fay MK_REP Hermann Baer PR_REP Shelli Baida PU_CLERK ... Sigal Tobias PU_CLERK Den Raphaely PU_MAN Gerald Cambrault SA_MAN ... Eleni Zlotkey SA_MAN Ellen Abel SA_REP ... Clara Vishney SA_REP Sarah Bell SH_CLERK ... Peter Vargas ST_CLERK Adam Fripp ST_MAN ... Matthew Weiss ST_MAN </pre></div> <!-- class="example" --> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="tdddg_subprograms029.htm#BABGDIJD">Using the FOR LOOP Statement</a></p> <p><a href="tdddg_subprograms042.htm#BABDFGAA">Using Associative Arrays</a></p> </div> </div> <!-- class="sect2" --> <!-- 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. All rights reserved.</span><br /> <a href="./dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td> <td align="center"><a href="tdddg_subprograms046.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_subprograms048.htm"><img width="24" height="24" 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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