DEL

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Remove a key and its associated value from the database. Works on keys with or without a TTL.

Syntax

DEL key

key

string

required

The name of the key to delete.

Returns 1 if the key was found and deleted, or (nil) if the key did not exist.

Condition	Error message
Wrong number of arguments	`(error) wrong number of arguments for 'DEL'`

>>> SET name radish
OK
>>> DEL name
1

>>> DEL name
(nil)

>>> DEL nonexistent
(nil)

Deleting a key that has a TTL:

>>> SET session abc123 EX 3600
OK
>>> TTL session
3598
>>> DEL session
1
>>> TTL session
-2

Deletion is immediately appended to the AOF, so the removal is persisted before the command returns.

DEL only accepts a single key. To delete multiple keys, issue one DEL command per key.

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