select->from->where->group by→having→order by
from->where->select->group by→having→order by
from->where->group by→having→select→order by
select->from->group by→having→where→order by
(7) SELECT
(8) DISTINCT <select_list>
(1) FROM <left_table>
(3) <join_type> JOIN <right_table>
(2) ON <join_condition>
(4) WHERE <where_condition>
(5) GROUP BY <group_by_list>
(6) HAVING <having_condition>
(9) ORDER BY <order_by_condition>
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