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Java > Open Source Codes > java > sql > NClob


1 /*
2  * %W% %E%
3  *
4  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
5  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6  */
7
8 package java.sql;
9
10 import java.sql.Clob JavaDoc;
11
12 /**
13  * The mapping in the Java<sup><font size=-2>TM</font></sup> programming language
14  * for the SQL <code>NCLOB</code> type.
15  * An SQL <code>NCLOB</code> is a built-in type
16  * that stores a Character Large Object using the National Character Set
17  * as a column value in a row of a database table.
18  * <P>The <code>NClob</code> interface extends the <code>Clob</code> interface
19  * which provides provides methods for getting the
20  * length of an SQL <code>NCLOB</code> value,
21  * for materializing a <code>NCLOB</code> value on the client, and for
22  * searching for a substring or <code>NCLOB</code> object within a
23  * <code>NCLOB</code> value. A <code>NClob</code> object, just like a <code>Clob</code> object, is valid for the duration
24  * of the transaction in which it was created.
25  * Methods in the interfaces {@link ResultSet},
26  * {@link CallableStatement}, and {@link PreparedStatement}, such as
27  * <code>getNClob</code> and <code>setNClob</code> allow a programmer to
28  * access an SQL <code>NCLOB</code> value. In addition, this interface
29  * has methods for updating a <code>NCLOB</code> value.
30  * <p>
31  * All methods on the <code>NClob</code> interface must be fully implemented if the
32  * JDBC driver supports the data type.
33  *
34  * @since 1.6
35  */
36
37 public interface NClob extends Clob JavaDoc { }
38
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