If I need to upload a single value from some singular query to the local
variable it may be like this:
set @var = (select F from T where...)
Next, what to do if I need more than one?
Is it necessary to create a cursor, then open it, fetch and so on? Or may be
something like
set @var1, @var2 = (select F1, F2 from T where...)
Thank you.