73 lines
4.2 KiB
HTML
73 lines
4.2 KiB
HTML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<!DOCTYPE html
|
||
|
|
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
|
<html lang="en-us" xml:lang="en-us">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
||
|
|
<meta name="security" content="public" />
|
||
|
|
<meta name="Robots" content="index,follow" />
|
||
|
|
<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
|
||
|
|
<meta name="DC.Type" content="reference" />
|
||
|
|
<meta name="DC.Title" content="SQL4015 - From-column &1.&2, to-column &3.&4, join operator &5, join predicate &6" />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="prtsqlinfmsg.htm" />
|
||
|
|
<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
|
||
|
|
<meta name="DC.Format" content="XHTML" />
|
||
|
|
<meta name="DC.Identifier" content="sql4015" />
|
||
|
|
<meta name="DC.Language" content="en-us" />
|
||
|
|
<!-- All rights reserved. Licensed Materials Property of IBM -->
|
||
|
|
<!-- US Government Users Restricted Rights -->
|
||
|
|
<!-- Use, duplication or disclosure restricted by -->
|
||
|
|
<!-- GSA ADP Schedule Contract with IBM Corp. -->
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ic.css" />
|
||
|
|
<title>SQL4015 - From-column &1.&2, to-column &3.&4, join
|
||
|
|
operator &5, join predicate &6</title>
|
||
|
|
</head>
|
||
|
|
<body id="sql4015"><a name="sql4015"><!-- --></a>
|
||
|
|
<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
|
||
|
|
<h1 class="topictitle1">SQL4015 - From-column &1.&2, to-column &3.&4, join
|
||
|
|
operator &5, join predicate &6</h1>
|
||
|
|
<div>
|
||
|
|
<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">SQL4015</th>
|
||
|
|
</tr>
|
||
|
|
</thead>
|
||
|
|
<tbody><tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Message Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">From-column &1.&2, to-column &3.&4, join operator &5,
|
||
|
|
join predicate &6</td>
|
||
|
|
</tr>
|
||
|
|
<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Cause Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Identifies which join predicate was implemented at the current join
|
||
|
|
position. The replacement text parameters are: <ul><li>&1: The join 'from table' number. The table number refers to the relative
|
||
|
|
position of this table in the query.</li>
|
||
|
|
<li>&2: The join 'from column' name. The column within the join from table
|
||
|
|
which comprises the left half of the join column pair. If the column name
|
||
|
|
is *MAP, the column is an expression (derived field).</li>
|
||
|
|
<li>&3: The join 'to table' number. The table number refers to the relative
|
||
|
|
position of this table in the query. </li>
|
||
|
|
<li>&4. The join 'to column' name. The column within the join to column
|
||
|
|
which comprises the right half of the join column pair. If the column name
|
||
|
|
is *MAP, the column is an expression (derived field).</li>
|
||
|
|
<li>&5. The join operator. Possible values are EQ (equal), NE (not equal),
|
||
|
|
GT (greater than), LT (less than), GE (greater than or equal), LE (less than
|
||
|
|
or equal), and CP (cross join or cartesian product).</li>
|
||
|
|
<li>&6. The join predicate number. Identifies the join predicate within
|
||
|
|
this set of join pairs.</li>
|
||
|
|
</ul>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Recovery Text:</td>
|
||
|
|
<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Refer to <a href="perf24.htm#perf24">Join optimization</a> for more information
|
||
|
|
about joins.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div>
|
||
|
|
<div class="familylinks">
|
||
|
|
<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>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|