Mysql order by與limit混用陷阱
order by 加上 唯一id
SELECT * FROM user ORDER BY create_time,id LIMIT 6,2;
原文地址
order by 加上 唯一id
SELECT * FROM user ORDER BY create_time,id LIMIT 6,2;
原文地址
UPDATE USER SET Gender=CASE WHEN @age=10 THEN 'nan' WHEN @age=25 THEN 'nu' WHEN @age=20 THEN '222'