How to get data from redis

The two main ways to get data from Redis are: GET command: Get the value of a single key. MGET command: Get the values of multiple keys at once.

Get data from Redis

Method:

From There are two main methods to obtain data in Redis:

• GET command:is used to obtain the value of a single key.
• MGET command:Used to get the values of multiple keys at one time.

Syntax:

GET key

##MGET key1 key2 ... keyN

• keyis the key to get the value from.
• key1,key2, ...keyNare the multiple keys to get the value from.

Return value:

• GET:Returns the value of a single key, or ## if the key does not exist #nil.
MGET:
• Returns an array containing multiple key values. If a key does not exist, the corresponding element in the array isnil.

// 使用 GET 命令获取单个键值 GET name // 输出： "John" // 使用 MGET 命令获取多个键值 MGET name age city // 输出： ["John", "30", "New York"]

• The value of a key can be any Redis data type (string, list, set, etc.).
• If the value of a key is a binary-safe string, it will not be decoded when fetched.

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