223 lines
12 KiB
HTML
223 lines
12 KiB
HTML
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<meta name="DC.Title" content="External table description (QAQQ3001) - Using existing index" />
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<title>External table description (QAQQ3001) - Using existing index</title>
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<body id="qaqq3001"><a name="qaqq3001"><!-- --></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 (QAQQ3001) - Using existing index</h1>
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<div>
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<div class="tablenoborder"><img src="./delta.gif" alt="Start of change" /><table cellpadding="4" cellspacing="0" summary="" frame="hsides" border="1" rules="rows"><caption>Table 1. QQQ3001 - Using existing index</caption><thead align="left"><tr><th align="left" valign="bottom" width="19.29499072356215%" id="d0e27">Column Name</th>
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<th align="left" valign="bottom" width="80.70500927643785%" 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="19.29499072356215%" headers="d0e27 ">QQKEY</td>
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<td align="left" valign="top" width="80.70500927643785%" 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="19.29499072356215%" headers="d0e27 ">QQTIME</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Time row was created</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQQDTN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">QDT number (unique per QDT)</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQQDTL</td>
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<td align="left" valign="top" width="80.70500927643785%" 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="19.29499072356215%" headers="d0e27 ">QQMATN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Materialized view QDT number</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQMATL</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Materialized view nested level</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQTLN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Library</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQTFN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Table</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQPTLN</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Physical library</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQPTFN</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Physical table</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQILNM</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Index library</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQIFNM</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Index</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQTOTR</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Total rows in table</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQREST</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Estimated number of rows selected</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQFKEY</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Number of key positioning keys</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQKSEL</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Number of key selection keys</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQAJN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Join position - when available</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQEPT</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Estimated processing time, in seconds</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQJNP</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Join position - when available</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQJNDS</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Dataspace number</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQJNMT</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Join method - when available <p>NL - Nested loop<br />
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MF - Nested loop with selection<br />
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HJ - Hash join</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQJNTY</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Join type - when available <p>IN - Inner join<br />
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PO - Left partial outer join<br />
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EX - Exception join</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQJNOP</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Join operator - when available <p>EQ - Equal<br />
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NE - Not equal<br />
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GT - Greater than<br />
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GE - Greater than or equal<br />
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LT - Less than<br />
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LE - Less than or equal<br />
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CP - Cartesian product</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQIDXK</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Number of advised key columns that use index
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scan-key positioning</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQKP</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Index scan-key positioning <p>Y - Yes<br />
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N - No</p>
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</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQKPN</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Number of key positioning columns</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQKS</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Index scan-key selection <p>Y - Yes<br />
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N - No</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQDSS</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Dataspace selection <p>Y - Yes<br />
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N - No</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQIDXA</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Index advised <p>Y - Yes<br />
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N - No</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQRCOD</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reason code <p>I1 - Row selection<br />
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I2 - Ordering/Grouping<br />
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I3 - Row selection and<br />
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Ordering/Grouping<br />
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I4 - Nested loop join<br />
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I5 - Row selection using<br />
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bitmap processing</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQCST</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Constraint indicator <p>Y - Yes<br />
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N - No</p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQCSTN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Constraint name </td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQLTLN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Library-long</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQLTFN</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Table-long</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQLPTL</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Physical library-long</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQLPTF</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Table-long</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQLILN</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Index library – long</td>
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</tr>
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<tr><td valign="top" width="19.29499072356215%" headers="d0e27 ">QQLIFN</td>
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<td valign="top" width="80.70500927643785%" headers="d0e29 ">Index – long</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQIDXD</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Key columns for the index advised</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC11</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Materialized query table</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC12</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC21</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC22</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQI1</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQI2</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC301</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQC302</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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<tr><td align="left" valign="top" width="19.29499072356215%" headers="d0e27 ">QQ1000</td>
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<td align="left" valign="top" width="80.70500927643785%" headers="d0e29 ">Reserved</td>
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</tr>
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</tbody>
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</table>
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<img src="./deltaend.gif" alt="End of change" /></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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