78 lines
5.6 KiB
HTML
78 lines
5.6 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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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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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Read database records using a keyed sequence access path" />
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<meta name="abstract" content="These read operations can be used with a keyed sequence access path to get database records." />
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<meta name="description" content="These read operations can be used with a keyed sequence access path to get database records." />
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<meta name="DC.subject" content="database record, reading methods, keyed sequence access path, keyed sequence access path, reading database records, access path, keyed sequence" />
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<meta name="keywords" content="database record, reading methods, keyed sequence access path, keyed sequence access path, reading database records, access path, keyed sequence" />
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<meta name="DC.Relation" scheme="URI" content="rbaforddbf.htm" />
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<meta name="DC.Relation" scheme="URI" content="rbafordnoksap.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Read database records using a keyed sequence access path</title>
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</head>
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<body id="rbafordbrk"><a name="rbafordbrk"><!-- --></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">Read database records using a keyed sequence access path</h1>
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<div><p>These read operations can be used with a keyed sequence access
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path to get database records.</p>
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<div class="p">When a keyed sequence access path is used, a read operation cannot position
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to the storage occupied by a deleted record. <div class="note"><span class="notetitle">Note:</span> The system performs the
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read operations based on the statements that you specify using your high-level
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language. Your high-level language might not allow all of the following operations.
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See your high-level language topic collection to determine which operations
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are allowed by the language.</div>
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</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="rbafordnoksap.htm">Read next operation</a></strong><br />
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This operation gets the next record on the keyed sequence access path.</li>
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<li class="ulchildlink"><strong><a href="rbafordpoksap.htm">Read previous operation</a></strong><br />
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<span>This operation gets the previous record on the keyed sequence
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access path.</span> </li>
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<li class="ulchildlink"><strong><a href="rbafordfoksap.htm">Read first operation</a></strong><br />
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This operation gets the first record on the keyed sequence access path.</li>
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<li class="ulchildlink"><strong><a href="rbafordloksap.htm">Read last operation</a></strong><br />
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This operation gets the last record on the keyed sequence access path.</li>
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<li class="ulchildlink"><strong><a href="rbafordsoksap.htm">Read same operation</a></strong><br />
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<span>This operation gets the record that is identified by the current
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file position. The position in the file is not changed.</span></li>
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<li class="ulchildlink"><strong><a href="rbafordkoksap.htm">Read by key operation</a></strong><br />
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<span>This operation gets the record identified by the key value.</span></li>
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<li class="ulchildlink"><strong><a href="rbafordroksap.htm">Read by relative record number operation</a></strong><br />
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For a keyed sequence access path, the relative record number can be used. This is the relative record number in the arrival sequence, even though the member opened has a keyed sequence access path.</li>
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<li class="ulchildlink"><strong><a href="rbafordlfksap.htm">Read when logical file shares an access path with more keys operation</a></strong><br />
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When the first-in-first-out (FIFO), last-in-first-out (LIFO), or first-changed-first-out (FCFO) keyword is not specified in the data description specifications (DDS) for a logical file, the logical file can implicitly share an access path that has more keys than the logical file being created.</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="rbaforddbf.htm" title="The iSeries system provides a number of ways to read database records.">Read database records</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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