数据库
- DBSIZE
- DEL key [key …]
- EXISTS key
- FLUSHALL
- FLUSHDB
- KEYS pattern
- MOVE key db
- RANDOMKEY
- RENAME key newkey
- RENAMENX key newkey
- SCAN cursor [MATCH pattern] [COUNT count]
- SELECT index
- SORT key [BY pattern] [LIMIT offset count] [GET pattern [GET pattern …]] [ASC | DESC] [ALPHA] [STORE destination]
- SWAPDB db1 db2
- TYPE key