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mysql if else

SELECT OrderID, Quantity, 
CASE WHEN Quantity > 10 THEN "MORE" ELSE "LESS" END as x
FROM OrderDetails;

SELECT OrderID, Quantity, 
IF (Quantity > 10, "MORE", "LESS") as x
FROM OrderDetails;
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mysql else if

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

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;
Comment

mysql if

SELECT user_display_image AS user_image,
       user_display_name AS user_name,
       invitee_phone,
       (CASE WHEN invitee_status = 1 THEN "attending"
             WHEN invitee_status = 2 THEN "unsure"
             WHEN invitee_status = 3 THEN "declined"
             WHEN invitee_status = 0 THEN "notreviwed"
       END) AS invitee_status
  FROM your_table
Comment

if mysql

SELECT IF(500<1000, "YES", "NO");
Comment

mysql if statement

-- PL/SQL
BEGIN
    IF my_val = 1 THEN [...]
    ELSE [...]
    END IF;
END;
-- In a query
SELECT CASE WHEN my_col = 1 THEN 'Ok' ELSE 'Ko' END AS my_result;
Comment

mysql if else

IF condition THEN
   statements;
ELSE
   else-statements;
END IF;
Comment

else if mysql

case 
  when qty_1<='23' then price
  when '23'>qty_1 && qty_2<='23' then price_2
  when '23'>qty_2 && qty_3<='23' then price_3
  when '23'>qty_3 then price_4
  else 1
end
Comment

MySQL if condition

The if accept one condition, if this condition is true then the true_value will occur 
else the false_value will occur.
IF(condition, true_value, false_value)
Tips : can be to update some data
Comment

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