DELDelete one or more keys.
| Syntax | DEL key [key ...] |
| Group | generic |
| Arity | -2 |
| Since | 1.0.0 |
| Flags | write |
| Complexity | O(N) keys, plus O(M) per key holding a collection of M elements (the drop walks the container) |
| Redis compatibility | differs: the multi-key form is split by shard and summed with no barrier, so it is not atomic across shards; the single-key form is |