Common commands for redis database

Commonly used commands in Redis include: data operations: SET, GET, DEL, INCR, DECR set operations: SADD, SMEMBERS, SREM, SUNION, SINTER list operations: LPUSH, LPOP, RPUSH, RPOP, LRANGE hash Operations: HSET, HGET, HDEL, HGETALL, HMGET Transaction commands: MULTI, EXEC, DISCARD Other common commands: PING, INFO, CONFIG GET/SET, FLUSHALL

Redis Common Commands

Redis database is widely used for caching, messaging and database operations. The following are some commonly used Redis commands:

Data operation commands

• SET key value: Set a key value pair.
• GET key: Get the value of the specified key.
• DEL key: Delete the specified key.
• INCR key: Increment the value of the specified key by 1.
• DECR key: Decrement the value of the specified key by 1.

Collection operation commands

• SADD key member: Add a member to the collection.
• SMEMBERS key: Returns all members in the collection.
• SREM key member: Remove a member from the collection.
• SUNION key1 key2: Returns the union of multiple sets.
• SINTER key1 key2: Returns the intersection of multiple sets.

List operation commands

• LPUSH key value: Push an element to the beginning of the list.
• LPOP key: Pops an element from the beginning of the list.
• RPUSH key value: Push an element to the end of the list.
• RPOP key: Pops an element from the end of the list.
• LRANGE key start stop: Returns the elements in the specified range in the list.

Hash operation command

• HSET key field value: Set a key-value pair in the hash.
• HGET key field: Get the value of the specified key from the hash.
• HDEL key field: Removes the specified key from the hash.
• HGETALL key: Returns all key-value pairs in the hash.
• HMGET key field1 field2: Get the values ​​of multiple keys in the hash at the same time.

Transaction Command

• MULTI: Start a transaction.
• EXEC: Execute all operations in the transaction.
• DISCARD: Discard all operations in the transaction.

Other commonly used commands

• PING: Check whether the server is available.
• INFO: Get server information.
• CONFIG GET/SET: Get or set server configuration.
• FLUSHALL: Clear all data in the database.

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