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Every command name links to a specific wiki page describing the behavior of the command.
- QUIT
close the connection - AUTH
simple password authentication if enabled
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- SET key value
set a key to a string value - GET key
return the string value of the key - GETSET key value
set a key to a string returning the old value of the key - MGET key1 key2 ... keyN
multi-get, return the strings values of the keys - SETNX key value
set a key to a string value if the key does not exist - INCR key
increment the integer value of key - INCRBY key integer
increment the integer value of key by integer - DECR key
decrement the integer value of key - DECRBY key integer
decrement the integer value of key by integer - EXISTS key
test if a key exists - DEL key
delete a key - TYPE key
return the type of the value stored at key
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- KEYS pattern
return all the keys matching a given pattern - RANDOMKEY
return a random key from the key space - RENAME oldname newname
rename the old key in the new one, destroing the newname key if it already exists - RENAMENX oldname newname
rename the old key in the new one, if the newname key does not already exist - DBSIZE
return the number of keys in the current db - EXPIRE
set a time to live in seconds on a key
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- RPUSH key value
Append an element to the tail of the List value at key - LPUSH key value
Append an element to the head of the List value at key - LLEN key
Return the length of the List value at key - LRANGE key start end
Return a range of elements from the List at key - LTRIM key start end
Trim the list at key to the specified range of elements - LINDEX key index
Return the element at index position from the List at key - LSET key index value
Set a new value as the element at index position of the List at key - LREM key count value
Remove the first-N, last-N, or all the elements matching value from the List at key - LPOP key
Return and remove (atomically) the first element of the List at key - RPOP key
Return and remove (atomically) the last element of the List at key
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- SADD key member
Add the specified member to the Set value at key - SREM key member
Remove the specified member from the Set value at key - SCARD key
Return the number of elements (the cardinality) of the Set at key - SISMEMBER key member
Test if the specified value is a member of the Set at key - SINTER key1 key2 ... keyN
Return the intersection between the Sets stored at key1, key2, ..., keyN - SINTERSTORE dstkey key1 key2 ... keyN
Compute the intersection between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey - SUNION key1 key2 ... keyN
Return the union between the Sets stored at key1, key2, ..., keyN - SUNIONSTORE dstkey key1 key2 ... keyN
Compute the union between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey - SMEMBERS key
Return all the members of the Set value at key
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- SELECT index
Select the DB having the specified index - MOVE key dbindex
Move the key from the currently selected DB to the DB having as index dbindex - FLUSHDB
Remove all the keys of the currently selected DB - FLUSHALL
Remove all the keys from all the databases
+ = Redis Command Reference =
Every command name links to a specific wiki page describing the behavior of the command.
- QUIT
close the connection - AUTH
simple password authentication if enabled
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- EXISTS key
test if a key exists - DEL key
delete a key - TYPE key
return the type of the value stored at key - KEYS pattern
return all the keys matching a given pattern - RANDOMKEY
return a random key from the key space - RENAME oldname newname
rename the old key in the new one, destroing the newname key if it already exists - RENAMENX oldname newname
rename the old key in the new one, if the newname key does not already exist - DBSIZE
return the number of keys in the current db - EXPIRE
set a time to live in seconds on a key - TTL
get the time to live in seconds of a key - SELECT index
Select the DB having the specified index - MOVE key dbindex
Move the key from the currently selected DB to the DB having as index dbindex - FLUSHDB
Remove all the keys of the currently selected DB - FLUSHALL
Remove all the keys from all the databases
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- SET key value
set a key to a string value - GET key
return the string value of the key - GETSET key value
set a key to a string returning the old value of the key - MGET key1 key2 ... keyN
multi-get, return the strings values of the keys - SETNX key value
set a key to a string value if the key does not exist - SETEX key time value
Set+Expire combo command - MSET key1 value1 key2 value2 ... keyN valueN
set a multiple keys to multiple values in a single atomic operation - MSETNX key1 value1 key2 value2 ... keyN valueN
set a multiple keys to multiple values in a single atomic operation if none of the keys already exist - INCR key
increment the integer value of key - INCRBY key integer
increment the integer value of key by integer - DECR key
decrement the integer value of key - DECRBY key integer
decrement the integer value of key by integer - APPEND key value
append the specified string to the string stored at key - SUBSTR key start end
return a substring out of a larger string
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- RPUSH key value
Append an element to the tail of the List value at key - LPUSH key value
Append an element to the head of the List value at key - LLEN key
Return the length of the List value at key - LRANGE key start end
Return a range of elements from the List at key - LTRIM key start end
Trim the list at key to the specified range of elements - LINDEX key index
Return the element at index position from the List at key - LSET key index value
Set a new value as the element at index position of the List at key - LREM key count value
Remove the first-N, last-N, or all the elements matching value from the List at key - LPOP key
Return and remove (atomically) the first element of the List at key - RPOP key
Return and remove (atomically) the last element of the List at key - BLPOP key1 key2 ... keyN timeout
Blocking LPOP - BRPOP key1 key2 ... keyN timeout
Blocking RPOP - RPOPLPUSH srckey dstkey
Return and remove (atomically) the last element of the source List stored at _srckey_ and push the same element to the destination List stored at _dstkey_
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- SADD key member
Add the specified member to the Set value at key - SREM key member
Remove the specified member from the Set value at key - SPOP key
Remove and return (pop) a random element from the Set value at key - SMOVE srckey dstkey member
Move the specified member from one Set to another atomically - SCARD key
Return the number of elements (the cardinality) of the Set at key - SISMEMBER key member
Test if the specified value is a member of the Set at key - SINTER key1 key2 ... keyN
Return the intersection between the Sets stored at key1, key2, ..., keyN - SINTERSTORE dstkey key1 key2 ... keyN
Compute the intersection between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey - SUNION key1 key2 ... keyN
Return the union between the Sets stored at key1, key2, ..., keyN - SUNIONSTORE dstkey key1 key2 ... keyN
Compute the union between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey - SDIFF key1 key2 ... keyN
Return the difference between the Set stored at key1 and all the Sets key2, ..., keyN - SDIFFSTORE dstkey key1 key2 ... keyN
Compute the difference between the Set key1 and all the Sets key2, ..., keyN, and store the resulting Set at dstkey - SMEMBERS key
Return all the members of the Set value at key - SRANDMEMBER key
Return a random member of the Set value at key
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1.1) ==
- ZADD key score member
Add the specified member to the Sorted Set value at key or update the score if it already exist - ZREM key member
Remove the specified member from the Sorted Set value at key - ZINCRBY key increment member
If the member already exists increment its score by _increment_, otherwise add the member setting _increment_ as score - ZRANK key member
Return the rank (or index) or _member_ in the sorted set at _key_, with scores being ordered from low to high - ZREVRANK key member
Return the rank (or index) or _member_ in the sorted set at _key_, with scores being ordered from high to low - ZRANGE key start end
Return a range of elements from the sorted set at key - ZREVRANGE key start end
Return a range of elements from the sorted set at key, exactly like ZRANGE, but the sorted set is ordered in traversed in reverse order, from the greatest to the smallest score - ZRANGEBYSCORE key min max
Return all the elements with score >= min and score <= max (a range query) from the sorted set - ZCARD key
Return the cardinality (number of elements) of the sorted set at key - ZSCORE key element
Return the score associated with the specified element of the sorted set at key - ZREMRANGEBYRANK key min max
Remove all the elements with rank >= min and rank <= max from the sorted set - ZREMRANGEBYSCORE key min max
Remove all the elements with score >= min and score <= max from the sorted set - ZUNIONSTORE / ZINTERSTORE dstkey N key1 ... keyN WEIGHTS w1 ... wN AGGREGATE SUM|MIN|MAX
Perform a union or intersection over a number of sorted sets with optional weight and aggregate
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- HSET key field value
Set the hash field to the specified value. Creates the hash if needed. - HGET key field
Retrieve the value of the specified hash field. - HMSET key field1 value1 ... fieldN valueN
Set the hash fields to their respective values. - HINCRBY key field integer
Increment the integer value of the hash at _key_ on _field_ with _integer_. - HEXISTS key field
Test for existence of a specified field in a hash - HDEL key field
Remove the specified field from a hash - HLEN key
Return the number of items in a hash. - HKEYS key
Return all the fields in a hash. - HVALS key
Return all the values in a hash. - HGETALL key
Return all the fields and associated values in a hash.
- SORT key BY pattern LIMIT start end GET pattern ASC|DESC ALPHA
Sort a Set or a List accordingly to the specified parameters
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- SAVE
Synchronously save the DB on disk - BGSAVE
Asynchronously save the DB on disk - LASTSAVE
Return the UNIX time stamp of the last successfully saving of the dataset on disk - SHUTDOWN
Synchronously save the DB on disk, then shutdown the server
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- INFO
Provide information and statistics about the server - MONITOR
Dump all the received requests in real time
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- SAVE
Synchronously save the DB on disk - BGSAVE
Asynchronously save the DB on disk - LASTSAVE
Return the UNIX time stamp of the last successfully saving of the dataset on disk - SHUTDOWN
Synchronously save the DB on disk, then shutdown the server - BGREWRITEAOF
Rewrite the append only file in background when it gets too big
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- INFO
Provide information and statistics about the server - MONITOR
Dump all the received requests in real time - SLAVEOF
Change the replication settings - CONFIG
Configure a Redis server at runtime