”;
Redis keys commands are used for managing keys in Redis. Following is the syntax for using redis keys commands.
Syntax
redis 127.0.0.1:6379> COMMAND KEY_NAME
Example
redis 127.0.0.1:6379> SET tutorialspoint redis OK redis 127.0.0.1:6379> DEL tutorialspoint (integer) 1
In the above example, DEL is the command, while tutorialspoint is the key. If the key is deleted, then the output of the command will be (integer) 1, otherwise it will be (integer) 0.
Redis Keys Commands
Following table lists some basic commands related to keys.
| Sr.No | Command & Description |
|---|---|
| 1 | DEL key
This command deletes the key, if it exists. |
| 2 | DUMP key
This command returns a serialized version of the value stored at the specified key. |
| 3 | EXISTS key
This command checks whether the key exists or not. |
| 4 | EXPIRE key seconds
Sets the expiry of the key after the specified time. |
| 5 | EXPIREAT key timestamp
Sets the expiry of the key after the specified time. Here time is in Unix timestamp format. |
| 6 | PEXPIRE key milliseconds
Set the expiry of key in milliseconds. |
| 7 | PEXPIREAT key milliseconds-timestamp
Sets the expiry of the key in Unix timestamp specified as milliseconds. |
| 8 | KEYS pattern
Finds all keys matching the specified pattern. |
| 9 | MOVE key db
Moves a key to another database. |
| 10 | PERSIST key
Removes the expiration from the key. |
| 11 | PTTL key
Gets the remaining time in keys expiry in milliseconds. |
| 12 | TTL key
Gets the remaining time in keys expiry. |
| 13 | RANDOMKEY
Returns a random key from Redis. |
| 14 | RENAME key newkey
Changes the key name. |
| 15 | RENAMENX key newkey
Renames the key, if a new key doesn”t exist. |
| 16 | TYPE key
Returns the data type of the value stored in the key. |
”;