mysql句法
作者:互联网
mysql 句法:
目录
交换sex的内容(m -> f, f -> m)
update salary set sex = (if(sex="m", "f", "m"));
update salary set sex = char(ascii('m') + ascii('f') - ascii(sex));
UPDATE salary SET sex = CASE sex WHEN 'm' THEN 'f' ELSE 'm' end;
update salary set sex = case sex when 'm' then 'f' when 'f' then 'm' end
标签:salary,set,update,sex,mysql,句法,ascii 来源: https://blog.csdn.net/satomiyo/article/details/90484268