airthmatic.sql

select 5-6 as substarction, 5+5 as addition ,5*6 as multiplication , 20/2 as division;

select 5>6 as greaterthan;
select 5<6 as lessthan;

select 9 >= 10 as lessthanequalto; 

select 25=25 as comparetwovalues;

select 5=6 && 1=2 as result;

select 5=5 AND 1=1 as result , 5=5 OR 1=2 as result;

select !0 as result , !1 ;