DELDelete one or more keys.
| 構文 | DEL key [key ...] |
| グループ | generic |
| 引数の数 | -2 |
| 導入バージョン | 1.0.0 |
| フラグ | write |
| 計算量 | O(N) keys, plus O(M) per key holding a collection of M elements (the drop walks the container) |
| Redis 互換性 | 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 |