Redis commonly used commands

Management commands

Serial number	command	Explanation
1	AUTH password	Use the given password to verify the server
2	ECHO message	Print the given string information
3	PING	Check if the server is running
4	QUIT	Close current connection
5	SELECT	index Change the currently connected selected database
6	FLUSHDB	Delete all keys in the current database
7	FLUSHALL	Delete all keys from all databases
8	INFO [section]	Get information and statistics about the server
9	SAVE	Save data sets to disk synchronously
10	CLIENT LIST	Get a list of client connections to the server
11	COMMAND	Get array of Redis command details

key operation command

command	description
DEL key	This command is used to delete the key when it exists. Success 1, failure 0
DUMP key	Serialize the given key and return the serialized value
EXISTS key	Check if the given key exists.
EXPIRE key seconds	Set the expiration time for a given key
PEXPIRE key milliseconds	Set the key expiration time in milliseconds.
KEYS pattern	Find all keys that match a given pattern
MOVE key db	Move the key to another database
PERSIST key	Delete key expiration time, have to be permanent
PTTL key	Get the remaining time of key expiration (milliseconds)
RENAMENX key newkey	If the new key does not exist, rename the key
TYPE key	Returns the data type of the value stored in the key
TTL key	View the remaining time of key expiration