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-<title>Basic mapping</title>
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-<div class="sect2"><!-- infolevel="all" infotype="General" -->
-<h1>Basic mapping</h1>
-<p><a id="sthref114" name="sthref114"></a><a id="sthref115" name="sthref115"></a><a id="sthref116" name="sthref116"></a><a id="sthref117" name="sthref117"></a>Use a <span class="bold">Basic Mapping</span> to map an attribute directly to a database column. Basic mappings may be used only with the following attribute types:</p>
-<ul>
-<li>
-<p>Java primitive types and wrappers of the primitive types</p>
-</li>
-<li>
-<p><code>java.lang.String, java.math.BigInteger</code></p>
-</li>
-<li>
-<p><code>java.math.BigDecimal</code></p>
-</li>
-<li>
-<p><code>java.util.Date</code></p>
-</li>
-<li>
-<p><code>java.util.Calendar, java.sql.Date</code></p>
-</li>
-<li>
-<p><code>java.sql.Time</code></p>
-</li>
-<li>
-<p><code>java.sql.Timestamp</code></p>
-</li>
-<li>
-<p><code>byte[]</code></p>
-</li>
-<li>
-<p><code>Byte[]</code></p>
-</li>
-<li>
-<p><code>char[]</code></p>
-</li>
-<li>
-<p><code>Character[]</code></p>
-</li>
-<li>
-<p>enums</p>
-</li>
-<li>
-<p>any other type that implements <code>Serializable</code></p>
-</li>
-</ul>
-<p>To create a basic mapping:</p>
-<ol>
-<li>
-<p>In the <a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a>, right-click the field to map. Select <span class="bold">Map As &gt; Basic</span>. The <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> displays the properties for the selected field.</p>
-</li>
-<li>
-<p>Use this table to complete the remaining fields on the <span class="gui-object-title">JPA Details</span> view.</p>
-<div class="inftblruleinformal">
-<table class="RuleInformal" title="This table lists the fields in the Persistence Properties view for this mapping." summary="This table lists the fields in the Persistence Properties view for this mapping." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0">
-<col width="19%" />
-<col width="*" />
-<col width="41%" />
-<thead>
-<tr align="left" valign="top">
-<th align="left" valign="bottom" id="r1c1-t14">Property</th>
-<th align="left" valign="bottom" id="r1c2-t14">Description</th>
-<th align="left" valign="bottom" id="r1c3-t14">Default</th>
-</tr>
-</thead>
-<tbody>
-<tr align="left" valign="top">
-<td align="left" id="r2c1-t14" headers="r1c1-t14">Entity Map Hyperlink</td>
-<td align="left" headers="r2c1-t14 r1c2-t14">Defines this mapping as a <span class="bold">Basic Mapping</span>.
-<p>This corresponds to the <code>@Basic</code> annotation.</p>
-</td>
-<td align="left" headers="r2c1-t14 r1c3-t14">Basic</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r3c1-t14" headers="r1c1-t14">Column</td>
-<td align="left" headers="r3c1-t14 r1c2-t14">The database column mapped to the entity attribute. See <a href="ref_mapping_general.htm#CACGCBHB">"Column"</a> for details.</td>
-<td align="left" headers="r3c1-t14 r1c3-t14">By default, the Column is assumed to be named identically to the attribute and always included in the <code>INSERT</code> and <code>UPDATE</code> statements.</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r4c1-t14" headers="r1c1-t14">Table</td>
-<td align="left" headers="r4c1-t14 r1c2-t14">Name of the database table.</td>
-<td align="left" headers="r4c1-t14 r1c3-t14"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r5c1-t14" headers="r1c1-t14">Fetch</td>
-<td align="left" headers="r5c1-t14 r1c2-t14">Defines how data is loaded from the database. See <a href="ref_mapping_general.htm#CACGGGHB">"Fetch Type"</a> for details.
-<ul>
-<li>
-<p>Eager</p>
-</li>
-<li>
-<p>Lazy</p>
-</li>
-</ul>
-</td>
-<td align="left" headers="r5c1-t14 r1c3-t14">Eager</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r6c1-t14" headers="r1c1-t14">Optional</td>
-<td align="left" headers="r6c1-t14 r1c2-t14">Specifies if this field is can be null.</td>
-<td align="left" headers="r6c1-t14 r1c3-t14">Yes</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r7c1-t14" headers="r1c1-t14">Type</td>
-<td align="left" headers="r7c1-t14 r1c2-t14">Specifies the type of data:
-<ul>
-<li>
-<p>Default</p>
-</li>
-<li>
-<p>LOB &ndash; Specifies if this is a large objects (BLOB or CLOB). See <a href="ref_mapping_general.htm#CACBBIBI">"Lob"</a> for details.</p>
-</li>
-<li>
-<p>Temporal &ndash; Specify if this is a Date, Time, or Timestamp object. See <a href="ref_mapping_general.htm#CACEAJGD">"Temporal"</a> for details.</p>
-</li>
-<li>
-<p>Enumerated &ndash; Specify how to persist enumerated constraints as ordinal or string, in order to match an existing database schema.</p>
-</li>
-</ul>
-</td>
-<td align="left" headers="r7c1-t14 r1c3-t14"><br /></td>
-</tr>
-</tbody>
-</table>
-<br /></div>
-<!-- class="inftblruleinformal" --></li>
-</ol>
-<p>Eclipse adds the following annotations to the field:</p>
-<pre xml:space="preserve" class="oac_no_warn">
-@Column(name="<span class="italic">&lt;COLUMN_NAME&gt;</span>", table="<span class="italic">&lt;COLUMN_TABLE&gt;</span>",
- insertable=<span class="italic">&lt;INSERTABLE&gt;</span>, updatable=<span class="italic">&lt;UPDATABLE&gt;</span>)
-@Basic(fetch=FetchType.<span class="italic">&lt;FETCH_TYPE&gt;</span>, optional = <span class="italic">&lt;OPTIONAL&gt;</span>)
-@Temporal(TemporalType.<span class="italic">&lt;TEMPORAL&gt;</span>)
-
-</pre>
-<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 reference" title="Related reference" /><br />
-<br />
-<a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a><br />
-<a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a>
-<p>&nbsp;</p>
-<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br />
-<br />
-<a href="concept_mapping.htm#BABBDJFI">Understanding OR mappings</a><br />
-<a href="concepts001.htm#BABBGFJG">Understanding EJB 3.0 Java Persistence API</a></div>
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