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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="Handling Predefined Exceptions" /> <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_subprograms050.htm" title="Previous" type="text/html" /> <link rel="next" href="tdddg_subprograms052.htm" title="Next" type="text/html" /> <title>Handling Predefined Exceptions</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_subprograms050.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_subprograms052.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="BABFCCGH" name="BABFCCGH"></a><a id="TDDDG99940" name="TDDDG99940"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>Handling Predefined Exceptions</h1> <a name="BEGIN" id="BEGIN"></a> <p>The following example shows, in bold font, how to change the <code>EMP_EVAL</code>.<code>eval_department</code> procedure to handle the predefined exception <code>NO_DATA_FOUND</code>. Make this change and compile the changed procedure. (For an example of how to change a package body, see <a href="tdddg_subprograms019.htm#CIHBGDBA">"Tutorial: Declaring Variables and Constants in a Subprogram"</a>.)</p> <div class="example"><a id="BABDJCJC" name="BABDJCJC"></a><a id="TDDDG247" name="TDDDG247"></a> <p class="titleinexample">Handling Predefined Exception NO_DATA_FOUND</p> <pre xml:space="preserve" class="oac_no_warn"> PROCEDURE eval_department(dept_id IN employees.department_id%TYPE) AS emp_cursor emp_refcursor_type; current_dept departments.department_id%TYPE; BEGIN current_dept := dept_id; FOR loop_c IN 1..3 LOOP OPEN emp_cursor FOR SELECT * FROM employees WHERE current_dept = dept_id; DBMS_OUTPUT.PUT_LINE ('Determining necessary evaluations in department #' || current_dept); eval_loop_control(emp_cursor); DBMS_OUTPUT.PUT_LINE ('Processed ' || emp_cursor%ROWCOUNT || ' records.'); CLOSE emp_cursor; current_dept := current_dept + 10; END LOOP; <span class="bold">EXCEPTION</span> <span class="bold">WHEN NO_DATA_FOUND THEN</span> <span class="bold">DBMS_OUTPUT.PUT_LINE ('The query did not return a result set');</span> END eval_department; </pre></div> <!-- class="example" --> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS00703','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for more information about predefined exceptions</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS00708','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for more information about handling raised exceptions</p> <p><a href="tdddg_subprograms049.htm#CIHIHAFG">Handling Exceptions (Run-Time Errors)</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. 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