create table demo pctfree 0 as with q as (select 42 x from dual union all select 42 from dual) select 42 x from q a cross join q b cross join q c cross join q d cross join q e cross join q f cross join q g cross join q h cross join q i cross join q j cross join q k cross join q l cross join q m cross join q n cross join q o cross join q p cross join q r cross join q s cross join q t cross join q u
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