Common commands of redis client

start redis

lch@localhost:Desktop $ redis-server /usr/local/etc/redis.conf

Basic data operations add, delete, modify and check

• About db in redis

  Entering the client, the database numbered 0 is used by default, which can be switched by commands, such as:

  lch@localhost:Desktop $ redis-cli
  redis 127.0.0.1:6379> select 1
  OK
  redis 127.0.0.1:6379[1]> select 0
  OK
  redis 127.0.0.1:6379>
  

• Set a pair of key-value

  redis 127.0.0.1:6379> set name luchanghong
  OK
  redis 127.0.0.1:6379> set gender male
  OK
  redis 127.0.0.1:6379> set age 24
  OK
  

• match lookup key

  redis 127.0.0.1:6379> keys *
  1) "age"
  2) "gender"
  3) "name"
  redis 127.0.0.1:6379> keys name
  1) "name"
  redis 127.0.0.1:6379> keys nam
  (empty list or set)
  redis 127.0.0.1:6379> keys nam*
  1) "name"
  

• Get the value corresponding to the key

  redis 127.0.0.1:6379> get name
  "luchanghong"
  redis 127.0.0.1:6379> get gender
  "male"
  redis 127.0.0.1:6379> get age
  "24"
  

• Check if the key exists

  redis 127.0.0.1:6379> exists name
  (integer) 1
  redis 127.0.0.1:6379> exists names
  (integer) 0
  

• delete key

  redis 127.0.0.1:6379> set test1 1
  OK
  redis 127.0.0.1:6379> set test2 2
  OK
  redis 127.0.0.1:6379> del test1
  (integer) 1
  redis 127.0.0.1:6379> exists test1
  (integer) 0
  redis 127.0.0.1:6379> exists test2
  (integer) 1
  

• Set/query multiple keys

  redis 127.0.0.1:6379> mset passwd 123 city beijing
  OK
  redis 127.0.0.1:6379> mget passwd city
  1) "123"
  2) "beijing"
  

list operation

redis 127.0.0.1:6379> lpush people lch
(integer) 1
redis 127.0.0.1:6379> lset people 0 luchanghong
OK
redis 127.0.0.1:6379> lpush people male
(integer) 2
redis 127.0.0.1:6379> llen people
(integer) 2

redis 127.0.0.1:6379> lrange people 0 1
1) "male"
2) "luchanghong"
redis 127.0.0.1:6379> lindex people 0
"male"
redis 127.0.0.1:6379> lindex people 1
"luchanghong"

set operation

redis 127.0.0.1:6379> sadd myset a
(integer) 1
redis 127.0.0.1:6379> sadd myset b c
(integer) 2
redis 127.0.0.1:6379> smembers myset
1) "c"
2) "a"
3) "b"
redis 127.0.0.1:6379> sismember myset d
(integer) 0
redis 127.0.0.1:6379> sismember myset a
(integer) 1

More commands can be viewed on the official website: Click to visit

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Link to this article: http://luchanghong.com/server/2013/05/08/redis-cli-commands.html