74 lines
4.5 KiB
HTML
74 lines
4.5 KiB
HTML
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<meta name="DC.Title" content="Use the SQL communications area in REXX applications" />
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<meta name="abstract" content="The fields that make up the SQL Communications Area (SQLCA) are automatically included by the SQL/REXX interface." />
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<meta name="description" content="The fields that make up the SQL Communications Area (SQLCA) are automatically included by the SQL/REXX interface." />
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<meta name="DC.subject" content="SQLCA (SQL communication area), REXX, SQLCODE, in REXX, SQLSTATE, in REXX, SQLERRMC field of SQLCA, SQLERRP field of SQLCA, SQLERRD field of SQLCA, SQLWARN field of SQLCA" />
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<meta name="keywords" content="SQLCA (SQL communication area), REXX, SQLCODE, in REXX, SQLSTATE, in REXX, SQLERRMC field of SQLCA, SQLERRP field of SQLCA, SQLERRD field of SQLCA, SQLWARN field of SQLCA" />
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<meta name="DC.Relation" scheme="URI" content="../db2/rbafzmstsqlcca.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<title>Use the SQL communications area in REXX applications</title>
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</head>
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<body id="rzajpcodpl"><a name="rzajpcodpl"><!-- --></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 the SQL communications area in REXX applications</h1>
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<div><p>The fields that make up the SQL Communications Area (SQLCA) are
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automatically included by the SQL/REXX interface.</p>
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<div class="section"><p>An INCLUDE SQLCA statement is not required and is not allowed.
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The SQLCODE and SQLSTATE fields of the SQLCA contain SQL return codes. These
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values are set by the database manager after each SQL statement is run. An
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application can check the SQLCODE or SQLSTATE value to determine whether the
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last SQL statement was successful.</p>
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</div>
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<div class="section"><p>The SQL/REXX interface uses the SQLCA in a manner consistent with
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the typical SQL usage. However, the SQL/REXX interface maintains the fields
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of the SQLCA in separate variables rather than in a contiguous data area.
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The variables that the SQL/REXX interface maintains for the SQLCA are defined
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as follows: </p>
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<dl><dt class="dlterm">SQLCODE</dt>
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<dd>The primary SQL return code.</dd>
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<dt class="dlterm">SQLERRMC</dt>
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<dd>Error and warning message tokens.</dd>
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<dt class="dlterm">SQLERRP</dt>
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<dd>Product code and, if there is an error, the name of the module that returned
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the error.</dd>
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<dt class="dlterm">SQLERRD.<em>n</em></dt>
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<dd>Six variables (<em>n</em> is a number between 1 and 6) containing diagnostic
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information.</dd>
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<dt class="dlterm">SQLWARN.<em>n</em></dt>
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<dd>Eleven variables (<em>n</em> is a number between 0 and 10) containing warning
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flags.</dd>
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<dt class="dlterm">SQLSTATE</dt>
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<dd>The alternate SQL return code.</dd>
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</dl>
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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="rzajprexx.htm" title="REXX procedures do not have to be preprocessed. At run time, the REXX interpreter passes statements that it does not understand to the current active command environment for processing.">Code SQL statements in REXX applications</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="../db2/rbafzmstsqlcca.htm">SQL communication area</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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