SQL Server store multiple values in sql variable

Question

I have the following query:

select * 
from cars 
where make in (\'BMW\', \'Toyota\', \'Nissan\')

What I want to do is store the where param

Answer 1

You can use a table variable:

declare @caroptions table
(
    car varchar(1000)
)

insert into @caroptions values ('BMW')
insert into @caroptions values ('Toyota')
insert into @caroptions values ('Nissan')

select * from cars where make in (select car from @caroptions)