70 lines
4.1 KiB
HTML
70 lines
4.1 KiB
HTML
<?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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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Create a data area" />
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<meta name="abstract" content="Unlike variables, data areas are objects and must be created before they can be used." />
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<meta name="description" content="Unlike variables, data areas are objects and must be created before they can be used." />
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<meta name="DC.subject" content="creating, valid type, data area, CRTDTAARA (Create Data Area) command, Create Data Area (CRTDTAARA) command, command, CL, CRTDTAARA (Create Data Area), Create Data Area (CRTDTAARA)" />
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<meta name="DC.Relation" scheme="URI" content="dtaas.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/crtdtaara.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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<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>Create a data area</title>
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</head>
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<body id="crtda"><a name="crtda"><!-- --></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">Create a data area</h1>
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<div><p>Unlike variables, data areas are objects and must be created before
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they can be used. </p>
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<div class="section"> <p>A data area can be created as: </p>
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<ul><li>A character string that can be as long as 2000 characters.</li>
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<li>A decimal value with different attributes, depending on whether it is
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used only in a CL program or procedure or also with other high-level language
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programs or procedures. For CL procedures and programs, the data area can
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have as many as 15 digits to the left of the decimal point and as many as
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9 digits to the right, but only 15 digits total. For other languages, the
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data area can have as many as 15 digits to the left of the decimal point and
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as many as 9 to the right, for a total of up to 24 digits.</li>
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<li>A logical value '0' or '1', where '0' can mean off, false,
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or no; and '1' can mean on, true, or yes.</li>
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</ul>
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<p>When you create a data area, you can also specify an initial value
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for the data area. If you do not specify one, the following is assumed: </p>
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<ul><li>0 for decimal.</li>
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<li>Blanks for character.</li>
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<li>'0' for logical.</li>
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</ul>
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<p>To create a data area, use the <span class="cmdname">Create Data Area (CRTDTAARA)</span> command.
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In the following example, a data area is created to pass a customer number
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from one program to another: </p>
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<pre>CRTDTAARA DTAARA(CUST) TYPE(*DEC) +
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LEN(5 0) TEXT('Next customer number')</pre>
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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="dtaas.htm" title="A data area is an object used to hold data for access by any job running on the system.">Use data areas</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../cl/crtdtaara.htm">Create Data Area (CRTDTAARA) command</a></div>
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</div>
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</div>
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</body>
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</html> |