Redis Main commands

Commands related to connection operations

• Quit: Close connection (connection)

• Auth: simple Password Authentication

Persistence

• save: Save data synchronously to disk

• bgsave: Asynchronously saves data to disk

• lastsave: Returns the Unix timestamp

• shundown: Save data synchronously to disk, and then close the service

remote Service Control

• info: Provides server information and statistics

• monitor: real-time dump of received requests

• slaveof: Change replication policy settings

• config: Configure Redis Server at run time

Commands for the value operation

• Exists (key): Verify that a key exists

• Del (key): Delete a key

• Type (key): Return value types

• Keys (pattern): Returns all keys that satisfy the given pattern

• Randomkey: Randomly returns one of the key spaces

• Keyrename (Oldname, newname): Rename key

• Dbsize: Returns the number of keys in the current database

• Expire: Set the active time of a key (s)

• TTL: Get the active time of a key

• Select (Index): Query by index

• Move (Key, Dbindex): Moves the key in the current database to the Dbindex database

• FLUSHDB: Delete all keys in the currently selected database

• Flushall: Delete all keys in all databases

Commands for string manipulation

• Set (key, value): Assigns a value to a string named key in the database

• Get (Key): Returns the value of a string named key in the database

• Getset (key, value): Assigns the last value to a string named key

• Mget (Key1, Key2,..., key N): Returns the value of multiple strings in the library

• SETNX (key, Value): Add string, name key, value

• Setex (Key, Time, value): Adds a string to the library, sets the expiration times

• Mset (key n, value N): Sets the value of multiple strings in bulk

• Msetnx (key n, value N): If all strings with the name key I do not exist

• INCR (Key): 1 operation with a string named key

• Incrby (Key, Integer): String with Name Key added integer

• DECR (key): string minus 1 operation with name key

• Decrby (Key, Integer): string with the name key reduced by integer

• Append (key, value): String value with the name key appended value

• SUBSTR (key, start, end): Returns a substring of the value of string with the name key

Commands for the list operation

• Rpush (key, value): Adds an element of value to the list at the end of the name key

• Lpush (key, value): Adds an element of value to the list header with the name key

• Llen (Key): Returns the length of the list named key

• Lrange (key, start, end): Returns the element between start and end in list named key

• LTrim (key, start, end): Intercepts the list named key

• Lindex (key, index): Returns the element of the index position in the list named key

• LSet (key, index, value): Assigns a value to the element of the index position in the list named key

• Lrem (Key, Count, value): Deletes the value in the list of Count key elements

• Lpop (Key): Returns and removes the first element in a list named key

• Rpop (Key): Returns and Deletes the tail element in the list named key

• Blpop (Key1, Key2,... key N, timeout): The block version of the Lpop command.

• Brpop (Key1, Key2,... key N, timeout): The block version of Rpop.

• Rpoplpush (Srckey, Dstkey): Returns and removes the tail element of the list named Srckey, and adds the element to the head of the list named Dstkey

Commands for set operations

• Sadd (Key, member): Adds an element to a set named Key member

• Srem (Key, member): Removes the element in the set named Key member

• Spop (key): Randomly returns and deletes an element in a set with the name key

• Smove (Srckey, Dstkey, member): Move to the collection element

• SCard (Key): Returns the cardinality of a set named key

• Sismember (Key, member): Member is a set element with the name key

• Sinter (Key1, Key2,... key N): Intersection

• Sinterstore (Dstkey, (keys)): Seek the intersection and save the intersection to the collection of Dstkey

• Sunion (Key1, (keys)): Seek and set

• Sunionstore (Dstkey, (keys)): Sets and saves the assembly to the Dstkey collection

• Sdiff (Key1, (keys)): Differential set

• Sdiffstore (Dstkey, (keys)): Differential set and save the difference set to the collection of Dstkey

• Smembers (Key): Returns all elements of a set with the name key

• Srandmember (key): Randomly returns an element of a set with the name key

Commands for hash operations

• Hset (Key, field, value): Adds an element to a hash named key field

• Hget (Key, field): Returns the value of field corresponding to the hash named key

• Hmget (Key, fields): Returns the value of field I in the hash named key

• Hmset (Key, fields): Adds an element to a hash named key field

• Hincrby (Key, field, integer): Adds an integer to the value of field in the hash named key

• Hexists (Key, field): A field with the key field in the hash named key

• Hdel (Key, field): Delete The field with the key field in the hash named key

• Hlen (Key): Returns the number of elements in a hash with the name key

• Hkeys (Key): Returns all keys in a hash with the name key

• Hvals (Key): Returns the value corresponding to all keys in a hash with the name key

• Hgetall (Key): Returns all keys (field) and their corresponding value in a hash with the name key

Redis Main commands