mysql 事務
start transaction;
update ...
insert ...
create table的不行
rollback;//回滾
commit;//提交
?
redis 事務
multi?
incrby age 1 //age+1
decrby age 2 //age-2
discard //取消執行 (discard?丟棄)
exec //執行
-----------------------
?watch keyName1 keyName2 keyName3 ...
multi
incrby age 1 //age+1
decrby age 2 //age-2
exec //keyName1 keyName2 keyName3 ... 有變動執行不成功.
unwatch 取消watch
?
