code: public String getSQLType(boolean bIncludeLength, Map<String, Object> properties) 
      {
          String strType = (String)properties.get(DBSQLTypes.BOOLEAN);
          if (strType == null)
              strType = DBSQLTypes.BYTE;      // The default SQL Type (Byte)
          return strType;
      }
docs: Get the SQL type of this field.
  Typically BOOLEAN or BYTE.
  @param bIncludeLength Include the field length in this description.
  @param properties Database properties to determine the SQL type.