FLUSHDBDelete every key of the current database (kevy is single-DB: same as FLUSHALL).
| Syntax | FLUSHDB |
| Group | server |
| Arity | -1 |
| Since | 1.0.0 |
| Flags | write |
| Complexity | O(N + S) — identical to FLUSHALL |
| Redis compatibility | differs: kevy is single-DB, so FLUSHDB is an alias of FLUSHALL; ASYNC / SYNC are ignored |