Ridis command notes

KEYS — Redis Command Reference

Key（ key ）	meaning	How to use
DEL	Delete the given one or more  key	del key  del key1 key2 .....
DUMP
EXISTS	Check the given  key  Whether there is	exists key
EXPIRE	For a given  key  Set the lifetime , When  key  expires ( Survival time:  0 ), It will be automatically deleted	expire key 30        #30 second
EXPIREAT	For a given  key  Set timestamp	expireat cache 1355292000 # This key Will be in 2012.12.12 Be overdue # Seconds per unit
KEYS	Query all matching key	keys *o*
MIGRATE
MOVE	Will be the current database of  key  Move to a given database  db  among	move value key2         # take value  Move to key2
OBJECT
PERSIST	Remove a given  key  Survival time	persist key
PEXPIRE	For a given  key  Set the lifetime	pexpire key 30        #30 millisecond
PEXPIREAT	For a given  key  Set timestamp	pexpireat mykey 1555555555005      # Milliseconds
PTTL	Returns... In milliseconds  key  The remaining lifetime of	pttl key         # Unit millisecond
RANDOMKEY	Random return from the current database ( Don't delete ) One  key	randomkey
RENAME	Change the name	rename key newkey      # take key Name to newkey
RENAMENX	Change the name	rename key newkey        # If and only if newkey When it doesn't exist, it will key Renamed as newkey
RESTORE
SORT	Return sequence table 、 aggregate 、 Ordered set	Ascending      sort key Descending      sort key desc
TTL	Returns... In seconds  key  The remaining lifetime of	ttl key           # Unit second
TYPE	return  key  The type of value stored	type key
SCAN

String（ character string ）	Ah, really
APPEND
BITCOUNT
BITOP
DECR
DECRBY
GET
GETBIT
GETRANGE
GETSET
INCR
INCRBY
INCRBYFLOAT
MGET
MSET
MSETNX
PSETEX
SET
SETBIT
SETEX
SETNX
SETRANGE
STRLEN

Hash（ Hashtable ）
HDEL
HEXISTS
HGET
HGETALL
HINCRBY
HINCRBYFLOAT
HKEYS
HLEN
HMGET
HMSET
HSET
HSETNX
HVALS
HSCAN

List（ list ）
BLPOP
BRPOP
BRPOPLPUSH
LINDEX
LINSERT
LLEN
LPOP
LPUSH
LPUSHX
LRANGE
LREM
LSET
LTRIM
RPOP
RPOPLPUSH
RPUSH
RPUSHX

Set（ aggregate ）
SADD
SCARD
SDIFF
SDIFFSTORE
SINTER
SINTERSTORE
SISMEMBER
SMEMBERS
SMOVE
SPOP
SRANDMEMBER
SREM
SUNION
SUNIONSTORE
SSCAN

SortedSet（ Ordered set ）
ZADD
ZCARD
ZCOUNT
ZINCRBY
ZRANGE
ZRANGEBYSCORE
ZRANK
ZREM
ZREMRANGEBYRANK
ZREMRANGEBYSCORE
ZREVRANGE
ZREVRANGEBYSCORE
ZREVRANK
ZSCORE
ZUNIONSTORE
ZINTERSTORE
ZSCAN