How to set variable from a SQL query?

Question

I\'m trying to set a variable from a SQL query:

declare @ModelID uniqueidentifer

Select @ModelID = select modelid from models
where areaid = \'South Coast\'         


        

Answer 1

To ASSIGN variables using a SQL select the best practice is as shown below

->DECLARE co_id INT ;
->DECLARE sname VARCHAR(10) ;

->SELECT course_id INTO co_id FROM course_details ;
->SELECT student_name INTO sname FROM course_details;

IF you have to assign more than one variable in a single line you can use this same SELECT INTO

->DECLARE val1 int;
->DECLARE val2 int;

->SELECT student__id,student_name INTO val1,val2 FROM student_details;

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