Java DatabaseMetaData .supportsNonNullableColumns ()
Syntax
DatabaseMetaData.supportsNonNullableColumns() has the following syntax.
boolean supportsNonNullableColumns() throws SQLException
Example
In the following code shows how to use DatabaseMetaData.supportsNonNullableColumns() method.
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
//from w w w .j a va 2 s.co m
public class Main {
public static void main(String[] args) throws Exception {
Connection conn = getHSQLConnection();
DatabaseMetaData md = conn.getMetaData();
System.out.println("supportsNonNullableColumns - "+ md.supportsNonNullableColumns());
conn.close();
}
private static Connection getHSQLConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
String url = "jdbc:hsqldb:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
}