Answers for "mysql when then else"

SQL
7

mysql else if

IF condition1 THEN
    statements;
ELSEIF condition2 THEN # OPTIONAL
	statements;
ELSE # OPTIONAL
    statements;
END IF;
Posted by: Guest on October-16-2020
0

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;
Posted by: Guest on October-18-2021
0

mysql switch case

SELECT 
t2.company_name,
t2.expose_new,
t2.expose_used,
t1.title,
t1.status,
 CASE status
   when 'New' and t2.expose_new = 1 then 1
   when 'New' and t2.expose_new = 2 then 2
   when 'New' and t2.expose_new = 3 then 3
   when 'Used' and t2.expose_used = 1 then 1
   when 'Used' and t2.expose_used = 2 then 2
   when 'Used' and t2.expose_used = 3 then 3
END as expose
FROM `products` t1
join manufacturers t2 on t2.id = t1.seller
where t1.seller = 4238
Posted by: Guest on July-06-2020

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