Java API Tutorial - 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;
/* w  w w  .  jav  a2 s. c o  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", "");
  }

}