If a 'A SELECT statement that doesn't return results doesn't set a variable to anything.', then why didn't it remain at 1 when I changed the logic to 'where 1=1' ?
if you run the following statements:
select 'Has no value' where 1 = 0
select 'Has value' where 1 = 1
you will see that the first statement does not return any rows, but the second does.
in this vein, the question posted has "where 1 = 0", which does not generate a result set, which will not change the variable's value.
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