113 lines
8.9 KiB
HTML
113 lines
8.9 KiB
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<meta name="DC.Title" content="Application program objects" />
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<meta name="abstract" content="The process of creating a DB2 UDB for iSeries application program may result in the creation of several objects. This section briefly describes the process of creating a DB2 UDB for iSeries application." />
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<title>Application program objects</title>
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</head>
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<body id="rbafyapplprogobjects"><a name="rbafyapplprogobjects"><!-- --></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">Application program objects</h1>
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<div><p>The process of creating a <span class="keyword">DB2<sup>®</sup> UDB for iSeries™</span> application
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program may result in the creation of several objects. This section briefly
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describes the process of creating a <span class="keyword">DB2 UDB for iSeries</span> application.</p>
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<p><span class="keyword">DB2 UDB for iSeries</span> supports both non-ILE
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and ILE precompilers. Application programs may be either distributed or nondistributed. </p>
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<p>With <span class="keyword">DB2 UDB for iSeries</span> you may need
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to manage the following objects: </p>
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<ul><li>The original source</li>
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<li>Optionally, the module object for ILE programs</li>
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<li>The program or service program</li>
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<li>The SQL package for distributed programs</li>
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</ul>
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<p>With a non-distributed non-ILE <span class="keyword">DB2 UDB for iSeries</span> program,
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you must manage only the original source and the resulting program. The following
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shows the objects involved and steps that happen during the precompile and
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compile processes for a nondistributed non-ILE <span class="keyword">DB2 UDB for iSeries</span> program:</p>
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<div class="fignone"><br /><img src="rv2w565.gif" alt="Precompile and compile processes for a nondistributed, non-ILE program. The user source file member precompiles the to a temporary source file member. This member is then compiled into a program." /><br /></div>
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<p>With a non-distributed ILE <span class="keyword">DB2 UDB for iSeries</span> program,
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you may need to manage the original source, the modules, and the resulting
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program or service program. The following shows the objects involved and steps
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that happen during the precompile and compile processes for a non-distributed
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ILE <span class="keyword">DB2 UDB for iSeries</span> program when OBJTYPE(*PGM)
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is specified on the precompile command:</p>
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<div class="fignone"><br /><img src="rv2w569.gif" alt="Precompile and compile processes for a nondistributed ILE program. The user source file member precompiles the to a temporary source file member. This member is then compiled into a module which binds to a program." /><br /></div>
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<p>With a distributed non-ILE <span class="keyword">DB2 UDB for iSeries</span> program,
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you must manage the original source, the resulting program, and the resulting
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package. The following shows the objects and steps that occur during the precompile
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and compile processes for a distributed non-ILE <span class="keyword">DB2 UDB for iSeries</span> program:</p>
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<div class="fignone"><br /><img src="rv2w566.gif" alt="Precompile and compile processes for a distributed non-ILE program. The user source file member precompiles the to a temporary source file member. This member is then compiled into a program. Once the program is created, an SQL package is created to hold the program." /><br /></div>
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<p>With a distributed ILE <span class="keyword">DB2 UDB for iSeries</span> program,
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you must manage the original source, module objects, the resulting program
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or service program, and the resulting packages. An SQL package can be created
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for each distributed module in a distributed ILE program or service program.
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The following shows the objects and steps that occur during the precompile
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and compile processes for a distributed ILE <span class="keyword">DB2 UDB for iSeries</span> program:</p>
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<div class="fignone"><br /><img src="rv2w570.gif" alt="Precompile and compile processes for a distributed ILE program. The user source file member precompiles the to a temporary source file member. This member is then compiled into a module which binds to a program. Once the program is created, an SQL package is created to hold the program." /><br /></div>
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<div class="note"><span class="notetitle">Note:</span> The access plans associated with the <span class="keyword">DB2 UDB for iSeries</span> distributed
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program object are not created until the program is run locally.</div>
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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="rbafysqlpcusfm.htm">User source file member</a></strong><br />
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A source file member contains the programmer's application language
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and SQL statements. You can create and maintain the source file member by
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using the source entry utility (SEU), a part of the <span class="keyword">IBM<sup>®</sup> WebSphere<sup>®</sup> Development Studio for iSeries</span> licensed
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program.</li>
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<li class="ulchildlink"><strong><a href="rbafysqlpcosfm.htm">Output source file member</a></strong><br />
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The SQL precompile creates an output source file member.</li>
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<li class="ulchildlink"><strong><a href="rbafysqlpcprogram.htm">Program</a></strong><br />
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A <dfn class="term">program</dfn> is the object that you can run that is created
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as a result of the compilation process for non-ILE compilations or as a result
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of the bind process for ILE compilations.</li>
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<li class="ulchildlink"><strong><a href="rbafysqlpcpackage.htm">SQL package</a></strong><br />
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An SQL package contains the access plans for a distributed SQL program.</li>
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<li class="ulchildlink"><strong><a href="rbafysqlpcmodule.htm">Module</a></strong><br />
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A module is an Integrated Language Environment<sup>®</sup> (ILE)
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object that is created by compiling source code using the CRT<var class="varname">xxx</var>MOD
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command (or any of the CRTBND<var class="varname">xxx</var> commands where <var class="varname">xxx</var> is
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C, CBL, CPP, or RPG).</li>
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<li class="ulchildlink"><strong><a href="rbafysqlpcservicepgm.htm">Service program</a></strong><br />
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A service program is an Integrated Language
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Environment<sup>®</sup> (ILE) object that provides a means of packaging externally
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supported callable routines (functions or procedures) into a separate object.</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="rbafyintro.htm" title="These topics describe the iSeries server implementation of the Structured Query Language (SQL) using DB2 UDB for iSeries and the DB2 UDB Query Manager and SQL Development Kit licensed program.">Introduction to DB2 UDB for iSeries Structured Query Language</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="../rzajp/rzajppreprog.htm">Prepare and run a program with SQL statements</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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