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HTML
196 lines
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Title" content="Host structure in COBOL applications that use SQL" />
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<meta name="abstract" content="The following figure shows the syntax for the valid host structure." />
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<meta name="description" content="The following figure shows the syntax for the valid host structure." />
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<title>Host structure in COBOL applications that use SQL</title>
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</head>
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<body id="rzajphoststruccobol"><a name="rzajphoststruccobol"><!-- --></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">Host structure in COBOL applications that use SQL</h1>
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<div><p>The following figure shows the syntax for the valid host structure.</p>
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<div class="section"><pre><span><img src="./c.gif" border="0" alt="Read syntax diagram" longdesc="rzajphoststruccobolsyn1.htm" /></span><a href="#d0e13"><img src="./c.gif" border="0" alt="Skip visual syntax diagram" /></a>
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>>-<i>level-1</i>--<i>variable-name</i>--.------------------------------------>
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.--------------------------------------------------------------------------.
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V .-IS-. |
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>----<i>level-2</i>--<i>var-1</i>--+-+-PICTURE-+--+----+--<i>picture-string</i>--<i>usage-clause</i>--.-+-+-><
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| '-PIC-----' |
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+-<i>floating-point</i>--.------------------------------------+
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+-.--<i>varchar-string</i>--.---------------------------------+
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+-.--<i>vargraphic-string</i>--.------------------------------+
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+-<i>lob</i>--.-----------------------------------------------+
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+-<i>datetime</i>--.------------------------------------------+
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+-<i>rowid</i>--.---------------------------------------------+
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'-<i>binary</i>--.--------------------------------------------'
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floating-point
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|--+----------------------------------------+------------------->
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| .-IS-. |
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| .-USAGE--+----+-. |
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'-+---------------+--+-COMPUTATIONAL-1-+-'
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+-COMP-1----------+
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+-COMPUTATIONAL-2-+
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'-COMP-2----------'
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>--+-------------------------+----------------------------------|
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| .-IS-. |
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'-VALUE--+----+--<i>constant</i>-'
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usage-clause
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|--+--------------------------------------------+--------------->
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| .-IS-. |
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| .-USAGE--+----+-. |
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'-+---------------+--+-+-BINARY----------+-+-'
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| +-COMPUTATIONAL-4-+ |
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| '-COMP-4----------' |
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+-+-PACKED-DECIMAL--+-+
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| +-COMPUTATIONAL-3-+ |
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| +-COMP-3----------+ |
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| +-COMPUTATIONAL---+ |
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| '-COMP------------' |
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+-+-DISPLAY--------+--+
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| '-<i>display-clause</i>-' |
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'---DISPLAY-1---------'
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>--+-------------------------+----------------------------------|
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| .-IS-. |
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'-VALUE--+----+--<i>constant</i>-'
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display-clause
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.-DISPLAY-. .-IS-. .-CHARACTER-.
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|--+---------+--SIGN--+----+--LEADING--SEPARATE--+-----------+--|
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</pre><a name="d0e13"></a></div>
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<div class="section"><pre><span><img src="./c.gif" border="0" alt="Read syntax diagram" longdesc="rzajphoststruccobolsyn2.htm" /></span><a href="#d0e166"><img src="./c.gif" border="0" alt="Skip visual syntax diagram" /></a>
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varchar-string
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.-IS-.
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|--49--<i>var-2</i>--+-PICTURE-+--+----+--<i>picture-string-1</i>------------->
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'-PIC-----'
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.-IS-.
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.-USAGE--+----+-.
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>--+---------------+--+-BINARY----------+--+---------------------------------+-->
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+-COMPUTATIONAL-4-+ | .-IS-. |
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'-COMP-4----------' '-VALUE--+----+--<i>numeric-constant</i>-'
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.-IS-.
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>--.--49--<i>var-3</i>--+-PICTURE-+--+----+--<i>picture-string-2</i>---------->
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'-PIC-----'
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>--+----------------------------+--+-------------------------+--|
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| .-IS-. | | .-IS-. |
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| .-USAGE--+----+-. | '-VALUE--+----+--<i>constant</i>-'
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'-+---------------+--DISPLAY-'
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vargraphic-string
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.-IS-.
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|--49--<i>var-2</i>--+-PICTURE-+--+----+--<i>picture-string-1</i>------------->
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'-PIC-----'
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.-IS-.
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.-USAGE--+----+-.
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>--+---------------+--+-BINARY----------+----------------------->
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+-COMPUTATIONAL-4-+
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'-COMP-4----------'
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>--+---------------------------------+--.----------------------->
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| .-IS-. |
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'-VALUE--+----+--<i>numeric-constant</i>-'
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.-IS-.
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.-IS-. .-USAGE--+----+-.
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>--49--<i>var-3</i>--+-PICTURE-+--+----+--<i>picture-string-2</i>--+---------------+--DISPLAY-1-->
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'-PIC-----'
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>--+-------------------------+----------------------------------|
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| .-IS-. |
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'-VALUE--+----+--<i>constant</i>-'
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</pre><a name="d0e166"></a></div>
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<div class="section"><pre><span><img src="./c.gif" border="0" alt="Read syntax diagram" longdesc="rzajphoststruccobolsyn3.htm" /></span><a href="#d0e316"><img src="./c.gif" border="0" alt="Skip visual syntax diagram" /></a>
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lob
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.-IS-.
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.-USAGE--+----+-.
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|--+---------------+--SQL TYPE IS--+-+-CLOB---+--(--<i>lob-length</i>--+---+--)-+--|
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| +-DBCLOB-+ +-K-+ |
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| '-BLOB---' '-M-' |
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+-+-CLOB-LOCATOR---+------------------+
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| +-DBCLOB-LOCATOR-+ |
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| '-BLOB-LOCATOR---' |
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'-+-CLOB-FILE---+---------------------'
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+-DBCLOB-FILE-+
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'-BLOB-FILE---'
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datetime
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.-OF-. .-IS-.
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|--<i>variable-name</i>--FORMAT--+----+--+-DATE------+--+----+--------->
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+-TIME------+
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'-TIMESTAMP-'
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>--<i>format-options</i>-----------------------------------------------|
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rowid
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|--SQL TYPE IS ROWID--------------------------------------------|
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binary
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.-IS-.
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.-USAGE--+----+-.
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|--+---------------+--SQL TYPE IS----+-BINARY---------+--(--<i>length</i>--)----|
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+-VARBINARY------+
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'-BINARY VARYING-'
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</pre><a name="d0e316"></a></div>
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<div class="section"> <div class="note"><span class="notetitle">Notes:</span> <ol><li>level-1 indicates a COBOL level between 1 and 47.</li>
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<li>level-2 indicates a COBOL level between 2 and 48 where level-2 > level-1.</li>
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<li>Graphic host variables, LOB host variables, and floating-point host variables
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are only supported for ILE COBOL for <span class="keyword">iSeries™</span>.</li>
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<li>For details on declaring numeric, character, graphic, LOB, ROWID, and
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binary host variables, see the notes under numeric-host variables, character-host
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variables, graphic-host variables, LOB host variables, ROWID, and binary host
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variables.</li>
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<li><em>format-options</em> indicates valid datetime options that are supported
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by the COBOL compiler. See the <em>ILE COBOL Reference</em> manual
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on the <a href="http://publib.boulder.ibm.com/iseries/v5r1/ic2924/rzaqhindex.htm">V5R1
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Supplemental Manuals</a><img src="www.gif" alt="Link outside information center" /> Web site for details.</li>
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</ol>
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</div>
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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="rzajphoststructurecobol.htm" title="A host structure is a named set of host variables that is defined in your program's DATA DIVISION.">Use host structures in COBOL applications that use SQL</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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