Redis入门--Redis特性

多数据库
Redis事务

Microsoft Windows [版本 10.0.16299.125]
(c) 2017 Microsoft Corporation。保留所有权利。
C:\Users\YUANRUI>redis-cli
127.0.0.1:6379> select 1    ---------------选择数据库1（0-15）
OK
127.0.0.1:6379[1]> keys *
(empty list or set)
127.0.0.1:6379[1]> select 0
OK
127.0.0.1:6379> keys *
1) "myb3"
2) "num5"
3) "mya3"
4) "mylist"
5) "newcompany"
6) "mysort"
7) "mylist4"
8) "mylist5"
9) "myb2"
10) "num"
11) "mylist2"
12) "mylist6"
13) "mya2"
14) "num3"
15) "num4"
16) "myset"
17) "myb1"
18) "num2"
19) "myhash"
20) "mylist3"
21) "mya1"
127.0.0.1:6379> move myset 1    --------------将当前数据库中的myset移动到数据库1中
(integer) 1
127.0.0.1:6379> select 1
OK
127.0.0.1:6379[1]> keys *
1) "myset"
127.0.0.1:6379[1]> select 0
OK                                                -------------- multi exec discard（事务开启，提交，回滚）
127.0.0.1:6379> set num 1
OK
127.0.0.1:6379> get num
"1"
127.0.0.1:6379> get num
"2"
127.0.0.1:6379> multi                 ---------------事务开启
OK
127.0.0.1:6379> incr num
QUEUED
127.0.0.1:6379> incr num
QUEUED
127.0.0.1:6379> exec                  -------------提交事务
1) (integer) 3
2) (integer) 4
127.0.0.1:6379> set user tom
OK
127.0.0.1:6379> get user
"tom"
127.0.0.1:6379> multi
OK
127.0.0.1:6379> set user jerry
QUEUED
127.0.0.1:6379> discard                    -----------------事务回滚
OK
127.0.0.1:6379> get user
"tom"
127.0.0.1:6379>

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