101 lines
4.2 KiB
HTML
101 lines
4.2 KiB
HTML
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<meta name="DC.Title" content="Example of dynamic SQL in an ILE RPG application that uses SQL" />
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<meta name="abstract" content="The following is an example of using dynamic SQL in ILE RPG." />
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<title>Example of dynamic SQL in an ILE RPG application that
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uses SQL</title>
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<body id="rzajpexampsqlirpg"><a name="rzajpexampsqlirpg"><!-- --></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 of dynamic SQL in an ILE RPG application that
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uses SQL</h1>
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<div><p>The following is an example of using dynamic SQL in ILE RPG.</p>
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<div class="example"> <pre>D**************************************************
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D* Declare program variables. *
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D* STMT initialized to the *
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D* listed SQL statement. *
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D**************************************************
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D EMPNUM S 6A
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D NAME S 15A
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D STMT S 500A INZ('SELECT LASTNAME -
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D FROM CORPDATA.EMPLOYEE WHERE -
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D EMPNO = ?')
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…
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C*************************************************************
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C* Prepare STMT as initialized in declare section *
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C*************************************************************
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C/EXEC SQL
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C+ PREPARE S1 FROM :STMT
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C/END-EXEC
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C*
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C*************************************
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C* Declare Cursor for STMT *
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C*************************************
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C/EXEC SQL
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C+ DECLARE C1 CURSOR FOR S1
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C/END-EXEC
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C*
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C*****************************************************
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C* Assign employee number to use in select statement *
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C*****************************************************
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C eval EMPNUM = '000110'
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C**********************
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C* Open Cursor *
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C**********************
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C/EXEC SQL
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C+ OPEN C1 USING :EMPNUM
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C/END-EXEC
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C*
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C***********************************************
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C* Fetch record and put value of *
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C* LASTNAME into NAME *
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C***********************************************
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C/EXEC SQL
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C+ FETCH C1 INTO :NAME
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C/END-EXEC
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…
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C********************************
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C* Program processes NAME here *
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C********************************
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…
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C******************
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C* Close cursor *
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C******************
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C/EXEC SQL
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C+ CLOSE C1
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C/END-EXEC</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="rzajprpgi.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in an ILE RPG program. The coding requirements for host variables are defined.">Code SQL statements in ILE RPG applications</a></div>
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