Oracle数据库-where, group by, having, order by语句的执行顺序

select xxx_name, count(*) as counter from table_y where where_condition group by xxx_name having having_condition order by zzz     当咱们看到一个相似上述的包含了where, group by, having， order by等关键字的SQL时，咱们要首先要知道其执行

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