在ACCESS中如何实现类似 count(distinct fieldname1)
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你可以先select 再count了,
就想这样 select count (a.*) from (select distinct fieldname1 from table)as a
在ACCESS中如何实现类似 count(distinct fieldname1)
---------------------------------------------------------------
你可以先select 再count了,
就想这样 select count (a.*) from (select distinct fieldname1 from table)as a