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Catalog / Redis Cheatsheet

Data Structures & Basic Commands

Strings

`SET key value`	Set the string value of a key.
`GET key`	Get the value of a key.
`MSET key value [key value ...]`	Set multiple keys to multiple values.
`MGET key [key ...]`	Get the values of all the given keys.
`INCR key`	Increment the integer value of a key by one.
`DECR key`	Decrement the integer value of a key by one.
`APPEND key value`	Append a value to a key.
`STRLEN key`	Get the length of the value stored in a key.

Lists

`LPUSH key value [value ...]`	Prepend one or multiple values to a list.
`RPUSH key value [value ...]`	Append one or multiple values to a list.
`LPOP key`	Remove and get the first element in a list.
`RPOP key`	Remove and get the last element in a list.
`LRANGE key start stop`	Get a range of elements from a list.
`LLEN key`	Get the length of a list.
`LREM key count value`	Remove elements from a list.

Hashes & Sets

Hashes

`HSET key field value`	Set the string value of a hash field.
`HGET key field`	Get the value of a hash field.
`HMSET key field value [field value ...]`	Set multiple hash fields to multiple values.
`HMGET key field [field ...]`	Get the values of all the given hash fields.
`HGETALL key`	Get all the fields and values in a hash.
`HDEL key field [field ...]`	Delete one or more hash fields.
`HLEN key`	Get the number of fields in a hash.

Sets

`SADD key member [member ...]`	Add one or more members to a set.
`SREM key member [member ...]`	Remove one or more members from a set.
`SMEMBERS key`	Get all the members in a set.
`SISMEMBER key member`	Determine if a given value is a member of a set.
`SCARD key`	Get the number of members in a set.
`SINTER key [key ...]`	Intersect multiple sets.
`SUNION key [key ...]`	Add multiple sets.

Sorted Sets & Pub/Sub

Sorted Sets

`ZADD key score member [score member ...]`	Add one or more members to a sorted set, or update their score if they already exist.
`ZREM key member [member ...]`	Remove one or more members from a sorted set.
`ZRANGE key start stop [WITHSCORES]`	Return a range of members in a sorted set, by index.
`ZREVRANGE key start stop [WITHSCORES]`	Return a range of members in a sorted set, by index, with scores ordered from high to low.
`ZSCORE key member`	Get the score associated with the given member in a sorted set.
`ZCARD key`	Get the number of members in a sorted set.
`ZCOUNT key min max`	Count the members in a sorted set with scores within the given values.

Pub/Sub

`PUBLISH channel message`	Post a message to a channel.
`SUBSCRIBE channel [channel ...]`	Subscribe the client to the given channels.
`UNSUBSCRIBE channel [channel ...]`	Unsubscribe the client from the given channels.
`PSUBSCRIBE pattern [pattern ...]`	Subscribe the client to the given patterns.
`PUNSUBSCRIBE pattern [pattern ...]`	Unsubscribe the client from the given patterns.

Transactions & Persistence

Transactions

`MULTI`	Mark the start of a transaction block.
`EXEC`	Execute all commands in a transaction block.
`DISCARD`	Discard all commands in a transaction block.
`WATCH key [key ...]`	Watch the given keys to determine execution of the MULTI/EXEC block.
`UNWATCH`	Forget about all watched keys.

Persistence

`SAVE`	Perform a synchronous save of the dataset to disk.
`BGSAVE`	Perform an asynchronous save of the dataset to disk.
`LASTSAVE`	Return the UNIX timestamp of the last successful save to disk.
`CONFIG GET save`	Get the current save configuration.
`BGREWRITEAOF`	Asynchronously rewrite the append-only file.

Details

Databases & Query Languages / Redis

March 03, 2025 01:15

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