• tibrize (7/20/2012)


    Answer of the question is wrong !!

    Nope, you typed it wrong. 😛 The very last query is a UNION and you have UNION ALL

    select @@VERSION

    create table #t1 (col int not null)

    create table #t2 (col int not null)

    create table #t3 (col int not null)

    insert #t1 values (1), (1)

    insert #t2 values (2)

    insert #t3 values (3)

    select COL from #t1

    UNION

    select COL from #t2

    union all

    select COL from #t3

    select COL from #t1

    UNION ALL

    select COL from #t2

    union all

    select COL from #t3

    _______________________________________________________________

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