Listing Available SQL data Types Used by a Database : DatabaseMetadata « Database « Java Tutorial

1. Java Tutorial
2. Database
3. DatabaseMetadata

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;

public class Main {
  public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    DatabaseMetaData dbmd = connection.getMetaData();
    ResultSet resultSet = dbmd.getTypeInfo();

    while (resultSet.next()) {
      // Get the database-specific type name
      String typeName = resultSet.getString("TYPE_NAME");

      // Get the java.sql.Types type to which this database-specific type is mapped
      short dataType = resultSet.getShort("DATA_TYPE");
    }
  }
}