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;IF condition1 THEN
statements;
ELSEIF condition2 THEN # OPTIONAL
statements;
ELSE # OPTIONAL
statements;
END 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_tableIF condition THEN
statements;
ELSE
else-statements;
END IF;