134 lines
8.1 KiB
HTML
134 lines
8.1 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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<meta name="DC.Title" content="External table description (QAQQ3003) - Query sort" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>External table description (QAQQ3003) - Query sort</title>
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</head>
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<body id="qaqq3003"><a name="qaqq3003"><!-- --></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">External table description (QAQQ3003) - Query sort</h1>
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<div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="hsides" border="1" rules="rows"><caption>Table 1. QQQ3003 - Query sort</caption><thead align="left"><tr><th align="left" valign="bottom" width="14.656771799628942%" id="d0e27">Column Name</th>
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<th align="left" valign="bottom" width="85.34322820037106%" id="d0e29">Description</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQKEY</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Join column (unique per query) used to link
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rows for a single query together</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQTIME</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Time row was created</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQQDTN</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">QDT number (unique per QDT)</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQQDTL</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">RQDT subquery nested level relational database
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name</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQMATN</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Materialized view QDT number</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQMATL</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Materialized view nested level</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQTTIM</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Sort time</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQRSS</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Number of rows selected or sorted</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQSIZ</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Size of sort space</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQPSIZ</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Pool size</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQPID</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Pool id</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQIBUF</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Internal sort buffer length</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQEBUF</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">External sort buffer length</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQRCOD</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reason code <ul class="simple"><li><strong>F1</strong> - Query contains grouping columns (Group By) from more than
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one table, or contains grouping columns from a secondary table of a join query
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that cannot be reordered.</li>
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<li><strong>F2</strong> - Query contains ordering columns (Order By) from more than
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one table, or contains ordering columns from a secondary table of a join query
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that cannot be reordered.</li>
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<li><strong>F3</strong> - The grouping and ordering columns are not compatible.</li>
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<li><strong>F4</strong> - DISTINCT was specified for the query.</li>
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<li><strong>F5</strong> - UNION was specified for the query.</li>
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<li><strong>F6</strong> - Query had to be implemented using a sort. Key length of more
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than 2000 bytes or more than 120 columns specified for ordering.</li>
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<li><strong>F7</strong> - Query optimizer chose to use a sort rather than an index
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to order the results of the query.</li>
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<li><strong>F8</strong> - Perform specified row selection to minimize I/O wait time.</li>
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<li><strong>FC</strong> - The query contains grouping fields and there is a read trigger
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on at least one of the physical files in the query.</li>
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</ul>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC11</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC12</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC21</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC22</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQI1</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQI2</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC301</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQC302</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="14.656771799628942%" headers="d0e27 ">QQ1000</td>
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<td align="left" valign="top" width="85.34322820037106%" headers="d0e29 ">Reserved</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="rzajqmrdm.htm" title="The following DDS statements are used to create the memory resident database monitor physical and logical files.">Memory Resident Database Monitor: DDS</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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