58 lines
3.3 KiB
HTML
58 lines
3.3 KiB
HTML
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<meta name="DC.Title" content="SQL4017 - Host variables implemented as reusable ODP" />
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<title>SQL4017 - Host variables implemented as reusable ODP</title>
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</head>
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<body id="sql4017"><a name="sql4017"><!-- --></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">SQL4017 - Host variables implemented as reusable ODP</h1>
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<div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" align="center" valign="middle" id="d0e16">SQL4017</th>
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</tr>
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</thead>
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<tbody><tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Message Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Host variables implemented as reusable ODP</td>
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</tr>
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<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Cause Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">The query optimizer has built the access plan allowing for the values
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of the host variables to be supplied when the query is opened. This query
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can be run with different values being provided for the host variables without
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requiring the access plan to be rebuilt. This is the normal method of handling
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host variables in access plans. The open data path (ODP) that will be created
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from this access plan will be a reusable ODP.</td>
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</tr>
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<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Recovery Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Generally, reusable open data paths perform better than non-reusable
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open data paths.</td>
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</tr>
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</tbody>
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</table>
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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="prtsqlinfmsg.htm" title="The following are the messages returned from PRTSQLINF.">PRTSQLINF message reference</a></div>
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</div>
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</div>
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</body>
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