167 lines
11 KiB
HTML
167 lines
11 KiB
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Supported DDM access methods" />
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<meta name="abstract" content="i5/OS DDM supports these DDM access methods. DDM abbreviations for the access methods are given in parentheses." />
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<meta name="description" content="i5/OS DDM supports these DDM access methods. DDM abbreviations for the access methods are given in parentheses." />
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<meta name="DC.subject" content="access method, DDM access method, system, iSeries, access methods" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Supported DDM access methods</title>
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</head>
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<body id="rbae5ddmacc"><a name="rbae5ddmacc"><!-- --></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">Supported DDM access methods</h1>
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<div><p><span class="keyword">i5/OS™</span> DDM supports
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these DDM access methods. DDM abbreviations for the access methods are given
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in parentheses.</p>
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<div class="section"><ul><li>Combined access method (CMBACCAM)</li>
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<li>Combined keyed access method (CMBKEYAM)</li>
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<li>Combined record number access method (CMBRNBAM)</li>
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<li>Directory access method (DRCAM)</li>
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<li>Random by key access method (RNDKEYAM)</li>
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<li>Random by record number access method (RNDRNBAM)</li>
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<li>Relative by key access method (RELKEYAM)</li>
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<li>Relative by record number access method (RELRNBAM)</li>
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<li>Stream access method (STRAM)</li>
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</ul>
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</div>
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<div class="section"><p>See the following table for a summary of the access methods that <span class="keyword">i5/OS</span> DDM supports for each DDM
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file model. For a description of these access methods, refer to the <cite>DDM
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Architecture: Implementation Planner's Guide, GC21-9528</cite>.</p>
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</div>
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<div class="tablenoborder"><a name="rbae5ddmacc__rbae5suman"><!-- --></a><table cellpadding="4" cellspacing="0" summary="" id="rbae5ddmacc__rbae5suman" width="100%" frame="border" border="1" rules="all"><caption>Table 1. Supported access
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methods for each DDM file model</caption><thead align="left"><tr><th rowspan="2" align="left" valign="bottom" width="14.256198347107437%" id="d0e71">Term</th>
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<th rowspan="2" align="left" valign="bottom" width="19.214876033057852%" id="d0e73">Access method</th>
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<th colspan="6" align="center" valign="bottom" id="d0e75">DDM file
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models</th>
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</tr>
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<tr><th align="left" valign="bottom" width="10.743801652892563%" id="d0e78">Sequential file</th>
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<th align="left" valign="bottom" width="10.330578512396695%" id="d0e80">Direct file</th>
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<th align="left" valign="bottom" width="13.016528925619836%" id="d0e82">Keyed file</th>
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<th align="left" valign="bottom" width="11.363636363636363%" id="d0e84">Alternate index file</th>
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<th align="left" valign="bottom" width="10.950413223140496%" id="d0e86">Stream file</th>
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<th align="left" valign="bottom" width="10.12396694214876%" id="d0e88">Directory file</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">CMBACCAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Combined access</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 ">N</td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 ">T</td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">N</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">CMBKEYAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Combined keyed</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 "> </td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 "> </td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">T</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">CMBRNBAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Combined record number</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 ">T</td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 ">T</td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">N</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">DRCAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Directory</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 "> </td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 "> </td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 "> </td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 "> </td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 ">T</td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">RELKEYAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Relative by key</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 "> </td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 "> </td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">T</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">RELRNBAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Relative by record number</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 ">T</td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 ">T</td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">N</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">RNDKEYAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Random by key</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 "> </td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 "> </td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">T</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">RNDRNBAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Random by record number</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 ">T</td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 ">T</td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 ">T</td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 ">N</td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 "> </td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="14.256198347107437%" headers="d0e71 ">STRAM</td>
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<td align="left" valign="top" width="19.214876033057852%" headers="d0e73 ">Stream</td>
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<td align="center" valign="top" width="10.743801652892563%" headers="d0e75 d0e78 "> </td>
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<td align="left" valign="top" width="10.330578512396695%" headers="d0e75 d0e80 "> </td>
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<td align="left" valign="top" width="13.016528925619836%" headers="d0e75 d0e82 "> </td>
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<td align="left" valign="top" width="11.363636363636363%" headers="d0e75 d0e84 "> </td>
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<td align="left" valign="top" width="10.950413223140496%" headers="d0e75 d0e86 ">T</td>
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<td align="left" valign="top" width="10.12396694214876%" headers="d0e75 d0e88 "> </td>
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</tr>
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<tr><td colspan="8" align="left" valign="top" headers="d0e71 d0e73 d0e75 d0e78 d0e80 d0e82 d0e84 d0e86 d0e88 "> <div class="note"><span class="notetitle">Note:</span> <dl><dt class="dlterm">N</dt>
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<dd>= Not supported</dd>
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<dt class="dlterm">T</dt>
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<dd>= Target DDM supported</dd>
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<dt class="dlterm">Blank</dt>
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<dd>= Not applicable</dd>
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</dl>
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</div>
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</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="rbae5ddmsub.htm" title="The iSeries server supports these subsets of the DDM architecture.">Subsets of DDM architecture supported by i5/OS DDM</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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