75 lines
5.8 KiB
HTML
75 lines
5.8 KiB
HTML
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<meta name="abstract" content="The COBOL precompiler only recognizes a subset of valid COBOL declarations as valid host variable declarations." />
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<title>Declare host variables in COBOL applications that use
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SQL</title>
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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">Declare host variables in COBOL applications that use
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SQL</h1>
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<div><p>The COBOL precompiler only recognizes a subset of valid COBOL declarations
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as valid host variable declarations.</p>
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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="rzajpcobnum.htm">Numeric host variables in COBOL applications that use SQL</a></strong><br />
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The following figure shows the syntax for valid integer host variable declarations.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobfloat.htm">Floating point host variables in COBOL applications that use SQL</a></strong><br />
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The following figure shows the syntax for valid floating point
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host variable declarations. Floating point host variables are only supported
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for ILE COBOL for <span class="keyword">iSeries™</span>.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobchar.htm">Character host variables in COBOL applications that use SQL</a></strong><br />
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There are two valid forms of character host variables.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobgraphic.htm">Graphic host variables in COBOL applications that use SQL</a></strong><br />
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Graphic host variables are only supported in ILE COBOL for <span class="keyword">iSeries™</span>.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobbinary.htm">Binary host variables in COBOL applications that use SQL</a></strong><br />
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COBOL does not have variables that correspond to the SQL binary data types. To create host variables that can be used with these data types, use the SQL TYPE IS clause. The SQL precompiler replaces this declaration with a COBOL language structure in the output source member.</li>
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<li class="ulchildlink"><strong><a href="rzajpcoblob.htm">LOB host variables in COBOL applications that use SQL</a></strong><br />
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COBOL does not have variables that correspond to the SQL data types for LOBs (large objects). To create host variables that can be used with these data types, use the SQL TYPE IS clause. The SQL precompiler replaces this declaration with a COBOL language structure in the output source member.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobdate.htm">Datetime host variables in COBOL applications that use SQL</a></strong><br />
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The following figure shows the syntax for valid date, time, and
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timestamp host variable declarations. Datetime host variables are supported
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only for ILE COBOL for <span class="keyword">iSeries™</span>.</li>
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<li class="ulchildlink"><strong><a href="rzajpcobolrowid.htm">ROWID host variables in COBOL applications that use SQL</a></strong><br />
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COBOL does not have a variable that corresponds to the SQL data type ROWID. To create host variables that can be used with this data type, use the SQL TYPE IS clause. The SQL precompiler replaces this declaration with a COBOL language structure in the output source member.</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="rzajphostvariablescobol.htm" title="All host variables used in SQL statements must be explicitly declared prior to their first use.">Use host variables in COBOL applications that use SQL</a></div>
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