core/sql/qms/debug/f2

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obey regr.init;

-- q10
    select 
        c_custkey, c_name,
        cast (sum(l_extendedprice*(1-l_discount)) 
        as numeric(18,2)) as revenue,
        c_acctbal,  n_name, c_address, c_phone, c_comment
    from customer,orders,lineitem, nation
    where 
        c_custkey = o_custkey
        and l_orderkey = o_orderkey
        and o_orderdate >= date '1993-10-01'
        and o_orderdate < date '1993-10-01' + interval '3' month
        and l_returnflag = 'R'
        and c_nationkey = n_nationkey
    group by c_custkey, c_name, c_acctbal, c_phone, n_name,
        c_address, c_comment;