MySQL以單個查詢翻轉一列

Question

是否可以僅使用一個查詢翻轉布爾列？

Answer 1

UPDATE `tablename` SET columname = !columname 

Answer 2

嘗試

SELECT IF (MyBoolean, 0, 1) FROM MyTable; 

OR

UPDATE MyTable SET MyBoolean = IF (MyBoolean, 0, 1);