82 lines
5.4 KiB
HTML
82 lines
5.4 KiB
HTML
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<meta name="DC.Title" content="Create trigger programs" />
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<meta name="abstract" content="These topics discuss how to create and work with trigger programs." />
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<title>Create trigger programs</title>
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</head>
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<body id="rbaforzahftrb"><a name="rbaforzahftrb"><!-- --></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">Create trigger programs</h1>
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<div><p>These topics discuss how to create and work with trigger programs.</p>
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<div class="section"> <p><img src="./delta.gif" alt="Start of change" />To add a trigger to a database file, follow these
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steps:<img src="./deltaend.gif" alt="End of change" /></p>
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</div>
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<ol><li class="stepexpand"><span>Supply a trigger program. </span> You can write a trigger program
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in a high-level language (HLL), Structured Query Language (SQL), or control
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language (CL). </li>
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<li class="stepexpand"><span>Use one of the following methods to add the trigger:</span> <ul><li>The Add Physical File Trigger (ADDPFTRG) command. You must specify your
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trigger program in the trigger program (PGM) parameter on the command.</li>
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<li>Add a trigger using iSeries™ Navigator. </li>
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<li>The CREATE TRIGGER SQL statement. </li>
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</ul>
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</li>
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</ol>
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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="rbaforzahftrbopnaddtrig.htm">Add triggers using iSeries Navigator</a></strong><br />
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<span><img src="./delta.gif" alt="Start of change" />Using iSeries Navigator, you can define system
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triggers and SQL triggers. Additionally, you can enable or disable a trigger
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on a physical database file.<img src="./deltaend.gif" alt="End of change" /></span></li>
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<li class="ulchildlink"><strong><a href="rbaforzahftrb1.htm">How trigger programs work</a></strong><br />
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<span><img src="./delta.gif" alt="Start of change" />When a user or application issues
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a change or read operation on a database file that has an associated trigger,
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the operation calls the appropriate trigger program or programs.<img src="./deltaend.gif" alt="End of change" /></span></li>
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<li class="ulchildlink"><strong><a href="rbaforzahftrb2.htm">Other important information about working with triggers</a></strong><br />
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These topics discuss recommendations, precautions, and error messages for trigger programs. Information about monitoring and commitment control is also included.</li>
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<li class="ulchildlink"><strong><a href="rbaforzahftri.htm">Examples: Trigger programs</a></strong><br />
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This topic provides examples of trigger programs written in C, COBOL, and RPG.</li>
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<li class="ulchildlink"><strong><a href="rbaforzahftrc.htm">Trigger buffer sections</a></strong><br />
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The trigger buffer has two logical sections: a static section and a variable section.</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="rbaforzahftra.htm" title="A trigger is a set of actions that run automatically when a specified change or read operation is performed on a specified database file. On iSeries, you define a set of trigger actions in any supported high-level language.">Trigger automatic events in your database</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="../cl/addpftrg.htm">Add Physical File Trigger (ADDPFTRG) command</a></div>
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<div><a href="../db2/rbafzmsthctrigger.htm">CREATE TRIGGER</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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