List Available SQL data Types Used by a Database in Java
Description
The following code shows how to list Available SQL data Types Used by a Database.
Example
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
/* ww w . j av a 2s .c o m*/
public class Main {
public static void main(String[] args) throws Exception {
Connection connection = getConnection();
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");
}
}
private static Connection getConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
String url = "jdbc:hsqldb:mem:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
}