Redis five basic data types

Redis provides five basic data types, namely: string, hash, list, set and ordered set, which are used to store various types of key-value data, support fast retrieval and operation, and meet the needs of many users. application requirements.

Redis five basic data types

Redis is a memory-based NoSQL database that provides a variety of Data types to store and manipulate data. The following are the five basic data types in Redis:

1. String

• String is the most basic data type, used for Stores text, numbers, or other ASCII characters.
• They are unordered and can be quickly retrieved and modified.

2. Hash

• Hash is a key-value pair storage, where the key is a string and the value can be String, number, or other data type.
• They are used to store complex objects or related data.

3. List (List)

• A list is an ordered collection in which the elements can be of any type.
• They are similar to arrays in that elements can be accessed using indexes and support push, pop, and other list operations.

4. Set

• A set is an unordered and unique collection of elements.
• They are used to store unique items and support set operations such as addition, deletion, intersection, and union.

5. Sorted Set

• An ordered set is also a set without repeated elements, but the elements are arranged according to scores Sort.
• They are used to store ordered data, such as leaderboards or priority queues.

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