带HAVING子句的SQL查询

Question

I am writing a query which will return a recordset that returns a list of transactions that are > 2 years from the date the query is run. The below query returns records that are within the 2 years.

select distinct(itemid) from bwc_trav_InHistSoldOrConsumed_view
group by itemid
having max(transdate)<dateadd(yyyy,-2,getdate())

Answer 1

Try this:

select * from
(
    select itemid, max(transdate) dt from bwc_trav_InHistSoldOrConsumed_view
    group by itemid
) t where t.dt < dateadd(year, -2, getdate())