Redis DEL Command

Redis Keys

Redis key commands are used to manage Redis keys.

Syntax

The basic syntax of Redis key commands is as follows:

redis 127.0.0.1:6379> COMMAND KEY_NAME

Examples

redis 127.0.0.1:6379> SET examplekey redis
OK
redis 127.0.0.1:6379> DEL examplekey
(integer) 1

In the above example,DELis a command,examplekeyis a key.(integer) 1If the key is deleted successfully, the output after executing the command is(integer) 0

Redis Keys Commands

Redis Keys Commands

No.	Command and Description
1	DEL key This command deletes a key when it exists.
2	DUMP key Serialize the given key and return the serialized value.
3	EXISTS key Check whether the given key exists.
4	EXPIRE key seconds Set an expiration time for the given key, in seconds.
5	EXPIREAT key timestamp The effect of EXPIREAT is similar to EXPIRE; both are used to set an expiration time for a key. The difference is that the time parameter accepted by the EXPIREAT command is a UNIX timestamp.
6	PEXPIRE key milliseconds Set the expiration time of a key in milliseconds.
7	PEXPIREAT key milliseconds-timestamp Set the timestamp (unix timestamp) of the key expiration time in milliseconds.
8	KEYS pattern Find all keys matching the given pattern.
9	MOVE key db Move a key from the current database to the given database db.
10	PERSIST key Remove the expiration time of a key; the key will be kept permanently.
11	PTTL key Return the remaining expiration time of a key in milliseconds.
12	TTL key Return the remaining time to live (TTL) of the given key in seconds.
13	RANDOMKEY Return a random key from the current database.
14	RENAME key newkey Change the name of a key
15	RENAMENX key newkey Rename the key to newkey only when newkey does not exist.
16	SCAN cursor [MATCH pattern] [COUNT count] Iterate over the keys in the database.
17	TYPE key Return the type of the value stored in the key.

For more commands, please refer to:https://redis.io/commands

Other Extensions

Redis DEL Command