proc sql;
update temp as _a
set e=(select e from index as _b
where _b.id eq _a.id and _b.index
eq _a.index)
where id eq (select id from index as
_b
where _b.id eq _a.id ) and index eq (select index from index as _b
where _b.index eq _a.index)
;
quit;
Ksharp
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