Data commit

Task/Filter/SQL/filter-1.sql

@@ -0,0 +1,14 @@
+--Create the original array (table #nos) with numbers from 1 to 10
+create table #nos (v int)
+declare @n int set @n=1
+while @n<=10 begin insert into #nos values (@n) set @n=@n+1 end
+
+--Select the subset that are even into the new array (table #evens)
+select v into #evens from #nos where v % 2 = 0
+
+-- Show #evens
+select * from #evens
+
+-- Clean up so you can edit and repeat:
+drop table #nos
+drop table #evens

Task/Filter/SQL/filter-2.sql

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+create temporary table nos (v int);
+insert into nos values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
+create temporary table evens (v int);
+insert into evens select v from nos where v%2=0;
+select * from evens order by v; /*2,4,6,8,10*/
+drop table nos;
+drop table evens;

Task/Filter/SQL/filter-3.sql

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+create temporary table evens select * from nos where v%2=0;