60 lines
3.2 KiB
HTML
60 lines
3.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Logical values" />
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<meta name="abstract" content="A logical value is a single character (1 or 0) enclosed in apostrophes." />
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<meta name="description" content="A logical value is a single character (1 or 0) enclosed in apostrophes." />
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<meta name="DC.Relation" scheme="URI" content="rbam6constvalues.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rbam6logicalvalues" />
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<meta name="DC.Language" content="en-us" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Logical values</title>
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</head>
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<body id="rbam6logicalvalues"><a name="rbam6logicalvalues"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Logical values</h1>
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<div><p>A logical value is a single character (1 or 0) enclosed in apostrophes.</p>
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<div class="section"><p>Logical values are often used as a switch to represent a condition
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such as on or off, yes or no, and true or false. When used in expressions,
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a logical value can be optionally preceded by *NOT or <img src="notsym.gif" alt="not symbol" />. The following are examples of logical values:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption>Table 1. Logical values</caption><thead align="left"><tr><th valign="top" id="d0e26">Constant</th>
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<th valign="top" id="d0e28">Value</th>
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<th valign="top" id="d0e30">Meaning</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e26 ">'0'</td>
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<td valign="top" headers="d0e28 ">0</td>
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<td valign="top" headers="d0e30 ">Off, no, or false</td>
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</tr>
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<tr><td valign="top" headers="d0e26 ">'1'</td>
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<td valign="top" headers="d0e28 ">1</td>
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<td valign="top" headers="d0e30 ">On, yes, or true</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rbam6constvalues.htm" title="A constant value is the actual value. The types of constants are character string (includes names, date and hexadecimal values), decimal, and logical.">Constant value</a></div>
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</div>
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</div>
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</body>
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</html>
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