Answers for "if ?: mysql"

mysql else if

IF condition1 THEN
    statements;
ELSEIF condition2 THEN # OPTIONAL
	statements;
ELSE # OPTIONAL
    statements;
END IF;

else if mysql

select id, 
    (SELECT 
    IF(qty_1<='23',price,1)
    ELSEIF(('23'>qty_1 && qty_2<='23'),price_2,1)
    ELSEIF(('23'>qty_2 && qty_3<='23'),price_3,1)
    ELSEIF('23'>qty_3,price_4,1)
    END IF) as total 
 from product;