68 lines
4.0 KiB
HTML
68 lines
4.0 KiB
HTML
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<meta name="DC.Title" content="Example: Assignments in dynamic SQL" />
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<meta name="abstract" content="If you want to use the same statement given in the example: Assignments involving UDTs in dynamic SQL, you can use parameter markers." />
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<meta name="description" content="If you want to use the same statement given in the example: Assignments involving UDTs in dynamic SQL, you can use parameter markers." />
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<meta name="DC.subject" content="UDTs (User-defined types), assignments in dynamic SQL example, examples, assignments in dynamic SQL, dynamic SQL, assignments of UDTs" />
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<meta name="keywords" content="UDTs (User-defined types), assignments in dynamic SQL example, examples, assignments in dynamic SQL, dynamic SQL, assignments of UDTs" />
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<title>Example: Assignments in dynamic SQL</title>
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</head>
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<body id="rbafyasdyns"><a name="rbafyasdyns"><!-- --></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">Example: Assignments in dynamic SQL</h1>
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<div><p>If you want to use the same statement given in the example: Assignments
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involving UDTs in dynamic SQL, you can use parameter markers.</p>
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<div class="section"><p>The statement is as follows:</p>
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<pre> EXEC SQL <strong>BEGIN DECLARE SECTION</strong>;
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long id;
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char name[30];
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<strong>SQL TYPE IS CLOB</strong>(32K) form;
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char command[80];
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EXEC SQL <strong>END DECLARE SECTION</strong>;
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/* Code to fill host variables */
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strcpy(command,"<strong>INSERT INTO</strong> APPLICATIONS VALUES");
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strcat(command,"(?, ?, CURRENT DATE, ?)");
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EXEC SQL <strong>PREPARE</strong> APP_INSERT <strong>FROM</strong> :command;
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EXEC SQL <strong>EXECUTE</strong> APP_INSERT <strong>USING</strong> :id, :name, :form;</pre>
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</div>
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<div class="section"><p>You made use of DB2's cast specification to tell DB2<sup>®</sup> that the type
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of the parameter marker is CLOB(32K), a type that is assignable to the UDT
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column. Remember that you cannot declare a host variable of a UDT type, since
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host languages do not support UDTs. Therefore, you cannot specify that the
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type of a parameter marker is a UDT. </p>
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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="rbafyexampudt.htm" title="These are examples of using UDTs.">Examples: Use UDTs</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rbafyasudt.htm" title="Suppose you want to store the form filled out by a new applicant into the database.">Example: Assignments involving UDTs</a></div>
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</div>
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</div>
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</body>
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</html> |