Skip to main content
summaryrefslogtreecommitdiffstats
blob: 5c3844baee32c52acaa61e472d974780964d0dcd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<!-- Run date = January 22, 2008 9:11:23 -->
<meta name="OAC_IGNORE_SKIP_NAV" content="true" />
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii" />
<title>Join Table Information</title>
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.0" />
<meta name="date" content="2005-07-10T12:57:20+08:00" />
<meta name="robots" content="noarchive" />
<meta name="doctitle" content="Join Table Information" />
<meta name="relnum" content="M5 - Release 2.0.0" />
<meta name="partnum" content="" />
<link rel="copyright" href="dcommon/html/cpyr.htm" title="Copyright" type="text/html" />
<link rel="stylesheet" href="dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" />
<link rel="start" href="../../index.htm" title="Home" type="text/html" />
<link rel="contents" href="toc.htm" title="Contents" type="text/html" />
</head>
<body>
<p><a id="CACBAEBC" name="CACBAEBC"></a></p>
<div class="sect3"><!-- infolevel="all" infotype="General" -->
<h1>Join Table Information</h1>
<p>Use area to specify a mapped column for joining an entity association. By default, the mapping is assumed to have a single join.</p>
<p>This table lists the fields available on the <span class="gui-object-title">Join Table</span> area in <span class="gui-object-title">the JPA Details</span> view for <a href="tasks013.htm#BABHGEBD">One-to-many mapping</a> and <a href="tasks011.htm#BABEIEGD">Many-to-many mapping</a> mapping types.</p>
<div class="inftblruleinformal">
<table class="RuleInformal" title="This table describes the options on the Join Table tab." summary="This table describes the options on the Join Table tab." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0">
<thead>
<tr align="left" valign="top">
<th align="left" valign="bottom" id="r1c1-t8">Property</th>
<th align="left" valign="bottom" id="r1c2-t8">Description</th>
<th align="left" valign="bottom" id="r1c3-t8">Default</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td align="left" id="r2c1-t8" headers="r1c1-t8">Name</td>
<td align="left" headers="r2c1-t8 r1c2-t8">Name of the join table that contains the foreign key column.</td>
<td align="left" headers="r2c1-t8 r1c3-t8">By default, the name is assumed to be the primary tables associated with the entities concatenated with an underscore.</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r3c1-t8" headers="r1c1-t8"><a id="CACBBDFG" name="CACBBDFG"></a>Join Columns</td>
<td align="left" headers="r3c1-t8 r1c2-t8"><a id="sthref216" name="sthref216"></a><a id="sthref217" name="sthref217"></a>Specify a mapped column for joining an entity association. This field corresponds to the <code>@JoinColum</code> attribute.
<p>Select <span class="bold">Override Default</span>, then Add, Edit, or Remove the join columns.</p>
</td>
<td align="left" headers="r3c1-t8 r1c3-t8">By default, the mapping is assumed to have a single join.</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r4c1-t8" headers="r1c1-t8">Inverse Join Columns</td>
<td align="left" headers="r4c1-t8 r1c2-t8">Select <span class="bold">Override Default</span>, then Add, Edit, or Remove the join columns.</td>
<td align="left" headers="r4c1-t8 r1c3-t8"><br /></td>
</tr>
</tbody>
</table>
<br /></div>
<!-- class="inftblruleinformal" -->
<p>&nbsp;</p>
<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br />
<br />
<a href="task_mapping.htm#BABDGBIJ">Mapping an entity</a>
<p>&nbsp;</p>
<img src="img/ngrelr.png" alt="Related task" title="Related task" /><br />
<br />
<a href="reference013.htm#CACCGEHC">Edit Join Columns Dialog</a></div>
<!-- class="sect3" -->
<!-- Start Footer -->
<div class="footer">
<table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td align="left" width="86%"><a href="dcommon/html/cpyr.htm"><span class="copyrightlogo">Copyright&nbsp;&copy;&nbsp;2006, 2008,&nbsp;Oracle.&nbsp;All&nbsp;rights&nbsp;reserved.</span></a></td>
</tr>
</table>
</div>
<!-- class="footer" -->
</body>
</html>

Back to the top