Answers for "sql serve if statement in select"

how to do an if statement in sql server

DECLARE @Course_ID INT = 4

IF (@Course_ID = 4)
Select * from Guru99 where Tutorial_ID = 4
ELSE
Select * from Guru99 where Tutorial_ID != 4

sql if else in select

-- In a query (DUAL is for Oracle)
SELECT CASE lower(my_col)
	WHEN 'agree' THEN 'Ok' 
	WHEN 'maybe' THEN 'Wait' 
    ELSE 'Ko' 
END AS my_result
FROM DUAL;