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Use DEL to delete one or more keys and the values they hold, whatever their type. The reply counts only the keys that actually existed, so deleting a key that is already gone is not an error and the count tells you how many were really removed. The memory is freed as part of the command, which for very large collections can take noticeable time; UNLINK removes the keys just as immediately but frees their memory in the background.

Syntax

Arguments

Response

The reply reports the result of the operation. Error replies have the same shape in RESP2 and RESP3 and are surfaced as exceptions by the SDKs below.
Client libraries often decode bulk strings, maps, sets, and numeric strings into language-native values. The table describes the Redis wire reply.

Examples

TCP examples use the TLS REDIS_URL from the Upstash console. REST examples use UPSTASH_REDIS_REST_URL and UPSTASH_REDIS_REST_TOKEN.