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2 comments:

  1. Hi,

    I need to inner join two tables creating a cartesian product..so in the inner join imagine that i need to call the same data sets like...
    proc sql;
    create table x as
    select
    a.bbb as x1
    ,b.bbb as x2
    from lib.y1 as a
    inner join lib.y1 as b
    on
    a ne b quit; do you have any idea how did the double join using a hash table?? thanks in advance

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