code: static Object execInsert(String query, String autoIncrementColumnName, Object... params) {
          return new DB(DB.DEFAULT_NAME).execInsert(query, autoIncrementColumnName, params);
      }
docs: This method is specific for inserts.
  
  @param query SQL for inserts.
  @param autoIncrementColumnName name of a column that is auto-incremented.
  @param params list of parameter values.
  @return new value of auto-incremented column that is uniquely identifying a new record inserted. May return -1 if this
  functionality is not supported by DB or driver.