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package org.hsqldb.jdbc;
import java.sql.NClob;
The mapping in the Java™ programming language
for the SQL NCLOB
type.
An SQL NCLOB
is a built-in type
that stores a Character Large Object using the National Character Set
as a column value in a row of a database table.
The NClob
interface extends the Clob
interface
which provides provides methods for getting the
length of an SQL NCLOB
value,
for materializing a NCLOB
value on the client, and for
searching for a substring or NCLOB
object within a
NCLOB
value. A NClob
object, just like a Clob
object, is valid for the duration of the transaction in which it was created. Methods in the interfaces ResultSet
, CallableStatement
, and PreparedStatement
, such as getNClob
and setNClob
allow a programmer to
access an SQL NCLOB
value. In addition, this interface
has methods for updating a NCLOB
value.
HSQLDB-Specific Information:
First, it should be noted that since HSQLDB represents all character data
internally as Java UNICODE (UTF16) String objects, there is not currently any
appreciable difference between the HSQLDB XXXCHAR types and the SQL 2003
NXXXCHAR and NCLOB types.
See JDBCClob
for further information.
Author: Campbell Burnet (campbell-burnet@users dot sourceforge.net) See Also: Since: JDK 1.6, HSQLDB 2.0
/**
* The mapping in the Java™ programming language
* for the SQL <code>NCLOB</code> type.
* An SQL <code>NCLOB</code> is a built-in type
* that stores a Character Large Object using the National Character Set
* as a column value in a row of a database table.
* <P>The <code>NClob</code> interface extends the <code>Clob</code> interface
* which provides provides methods for getting the
* length of an SQL <code>NCLOB</code> value,
* for materializing a <code>NCLOB</code> value on the client, and for
* searching for a substring or <code>NCLOB</code> object within a
* <code>NCLOB</code> value. A <code>NClob</code> object, just like a <code>Clob</code> object, is valid for the duration
* of the transaction in which it was created.
* Methods in the interfaces {@link java.sql.ResultSet},
* {@link java.sql.CallableStatement}, and {@link java.sql.PreparedStatement}, such as
* <code>getNClob</code> and <code>setNClob</code> allow a programmer to
* access an SQL <code>NCLOB</code> value. In addition, this interface
* has methods for updating a <code>NCLOB</code> value.
*
* <!-- start Release-specific documentation -->
* <div class="ReleaseSpecificDocumentation">
* <h3>HSQLDB-Specific Information:</h3> <p>
*
* First, it should be noted that since HSQLDB represents all character data
* internally as Java UNICODE (UTF16) String objects, there is not currently any
* appreciable difference between the HSQLDB XXXCHAR types and the SQL 2003
* NXXXCHAR and NCLOB types. <p>
*
* See {@link org.hsqldb.jdbc.JDBCClob} for further information.
*
* </div>
* <!-- end Release-specific documentation -->
*
* @since JDK 1.6, HSQLDB 2.0
* @author Campbell Burnet (campbell-burnet@users dot sourceforge.net)
* @see JDBCClob
* @see JDBCClobClient
*/
public class JDBCNClob extends JDBCClob implements NClob {
protected JDBCNClob() {
super();
}
public JDBCNClob(String data) throws java.sql.SQLException {
super(data);
}
}