Perform airthmatic operation in select sql query when airthmatic operator stored in database

id	a	b	operation	c
1	2	3	+	5
2	2	3	+	6
3	3	2	/	1
4	4	7	*	28
5	54	2	-	27
6	3	0	/	0

Using operation in fetching the value


select  case 
                   when operation='+' then a+b
                   when operation='-' then a-b 
                   when operation='*' then a*b
                   when operation='/' then a/b
           END 
from table ;

Using in where  condition while checking the value with c if airthmatic operation is equal to the the value in c coloum


   select * from expressions where c= case when operation='+' then a+b
                                    when operation='-' then a-b 
when operation='*' then a*b
when operation='/' then a/b
END