code: public static int[] executeBatch(String poolName, String sql, Object[][] params)
        throws YankSQLException {
  
      int[] returnIntArray = null;
  
      try {
  
        returnIntArray =
            new QueryRunner(YANK_POOL_MANAGER.getConnectionPool(poolName)).batch(sql, params);
  
      } catch (SQLException e) {
        handleSQLException(e, poolName, sql);
      }
  
      return returnIntArray;
    }
docs: Batch executes the given INSERT, UPDATE, DELETE, REPLACE or UPSERT SQL statement
  
  @param poolName The name of the connection pool to query against
  @param sql The SQL statement
  @param params An array of query replacement parameters. Each row in this array is one set of
  batch replacement values
  @return The number of rows affected or each individual execution