Oracle數據庫-where, group by, having, order by語句的執行順序

select xxx_name, count(*) as counter from table_y where where_condition group by xxx_name having having_condition order by zzz     當咱們看到一個相似上述的包含了where, group by, having， order by等關鍵字的SQL時，咱們要首先要知道其執行

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