62 lines
4.2 KiB
HTML
62 lines
4.2 KiB
HTML
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<meta name="DC.Title" content="Use host variables in COBOL applications that use SQL" />
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<meta name="abstract" content="All host variables used in SQL statements must be explicitly declared prior to their first use." />
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<meta name="description" content="All host variables used in SQL statements must be explicitly declared prior to their first use." />
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<meta name="DC.subject" content="host variable, COBOL, COBOL program, coding requirement, requirement for COBOL program, BEGIN DECLARE SECTION statement, END DECLARE SECTION statement, BEGIN/END DECLARE SECTION, : (colon), colon, in COBOL host variable, dash, in COBOL host variable, - (dash), - (minus), minus" />
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<meta name="keywords" content="host variable, COBOL, COBOL program, coding requirement, requirement for COBOL program, BEGIN DECLARE SECTION statement, END DECLARE SECTION statement, BEGIN/END DECLARE SECTION, : (colon), colon, in COBOL host variable, dash, in COBOL host variable, - (dash), - (minus), minus" />
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<title>Use host variables in COBOL applications that use SQL</title>
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</head>
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<body id="rzajphostvariablescobol"><a name="rzajphostvariablescobol"><!-- --></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">Use host variables in COBOL applications that use SQL</h1>
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<div><p>All host variables used in SQL statements must be explicitly declared
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prior to their first use.</p>
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<div class="section"><p>The COBOL statements that are used to define the host variables
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should be preceded by a BEGIN DECLARE SECTION statement and followed by an
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END DECLARE SECTION statement. If a BEGIN DECLARE SECTION and END DECLARE
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SECTION are specified, all host variable declarations used in SQL statements
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must be between the BEGIN DECLARE SECTION and the END DECLARE SECTION statements.</p>
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</div>
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<div class="section"><p>All host variables within an SQL statement must be preceded by
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a colon (:).</p>
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</div>
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<div class="section"><p>Host variables cannot be records or elements.</p>
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</div>
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<div class="section"><p>To accommodate using dashes within a COBOL host variable name,
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blanks must precede and follow a minus sign.</p>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzajpdeclaringhostcobol.htm">Declare host variables in COBOL applications that use SQL</a></strong><br />
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The COBOL precompiler only recognizes a subset of valid COBOL declarations as valid host variable declarations.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpcob.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in a COBOL program. Requirements for host structures and host variables are defined.">Code SQL statements in COBOL applications</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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