3 ms·
This doesn't look that hard to model relationally: select distinct user_id from user_skills where skill_id in @1 except select user_id
by orthoxerox 4y ago
This doesn't look that hard to model relationally:
select distinct user_id
from user_skills
where skill_id in @1
except
select user_id
from user_skills
where skill_id in @2
The biggest hurdle would probably be the lack of support in your database driver for passing collection-like parameters.