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create table cat(categories varchar(50), number_units int); insert into cat values('CAT_A', 10); insert into cat values('CAT_B', 20); insert into cat values('CAT_C', 30);
3 rows affected
select Coalesce(categories,'CAT')categories ,sum(number_units) [sum] from cat group by categories with rollup order by categories
categories
sum
CAT
60
CAT_A
10
CAT_B
20
CAT_C
30