Redis key (key)
Redis key commands for managing redis keys.
grammar
The basic syntax Redis key command is as follows:
redis 127.0.0.1:6379> COMMAND KEY_NAME
Examples
redis 127.0.0.1:6379> SET w3bigkey redis OK redis 127.0.0.1:6379> DEL w3bigkey (integer) 1
In the example above is aDEL command,w3bigkey is a bond. If the key is removed successfully, command execution output(integer) 1, otherwise the output (integer) 0
Redis keys command
The following table shows the basic commands associated with the Redis key:
No. | Command and description |
---|---|
1 | DEL key This command is used to delete key when the key presence. |
2 | DUMP key The sequence of a given key, and return the serialized value. |
3 | EXISTS key Checks if the given key exists. |
4 | Key the EXPIRE seconds The For a given key set an expiration time. |
5 | EXPIREAT key timestamp EXPIREAT EXPIRE similar role and are used to set the expiration time for the key. Except that time parameters EXPIREAT accepted command is a UNIX timestamp (unix timestamp). |
6 | PEXPIRE key milliseconds Setting key expiration time in milliseconds. |
7 | PEXPIREAT key milliseconds-timestamp Setting key expiration timestamp (unix timestamp) in milliseconds |
8 | KEYS pattern Find all match a given pattern (pattern) of the key. |
9 | MOVE key db The key to move the current database to a given database db them. |
10 | PERSIST key Remove key expiration time, key will endure. |
11 | PTTL key In milliseconds return key remaining expiration time. |
12 | TTL key In seconds, return the given key remaining time to live (TTL, time to live). |
13 | RANDOMKEY From the current database returns a random key. |
14 | RENAME key newkey Modify the name of the key |
15 | RENAMENX key newkey Only when newkey does not exist, the key renamed newkey. |
16 | TYPE key Type of return value of the stored key. |
For more commands, see: http://redis.readthedocs.org/en/latest/index