Shulou(Shulou.com)06/01 Report--

1. Keys

Format: keys {pattern}

Returns all key that satisfy a given pattern.

2. Exists

Format: exists' key'

Determine whether key exists.

3. Del

Format: del 'key'

Delete the key.

4. Expire

Format: expire 'key' {num}

Set the expiration time for the key, the key must exist, and the num is seconds.

5. Persist

Format: persist 'key'

Cancel the expiration time of the key, the key must exist.

6. Ttl

Format: ttl 'key'

Get the remaining time of key.

7. Select

Format: select {num}

Select a database. The value range of num is 0-15. There are a total of 16 databases by default.

8. Move

Format: move 'key' {num}

Move key to the num th database.

9. Randomkey

Format: randomkey

Randomly returns a key in the database.

10. Rename

Format: rename 'key1'' key2'

Rename key1 to key2.

11. Type

Format: type 'key'

Returns the data type of key.

12. Dbsize

Format: dbsize

Returns the number of current database key.

13. Flushdb

Format: flushdb

Deletes all key in the current database.

14. Flushall

Format: flushall

Delete all key from all databases.

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