语句如下：

    1. insert_stmt:
    2.     INSERT [INTO] table_factor [(column_name_list)]
    3.     {VALUES | VALUE} (column_value_list)
    4.     [ON DUPLICATE KEY UPDATE column_assign_list];
    6. column_name_list:
    7.     column_name [, column_name ...]
    9. column_value_list:
    10.     column_value [, column_value ...]
    12. column_value:
    13.     {expression | DEFAULT}
    15. column_assign_list:
    16.     column_assign [, column_assign ...]
    18. column_assign:
    19.     column_name = expression