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What are non-relational databases?

What are non-relational databases?

Common non-relational databases are: 1. mongodb; 2. cassandra; 3. redis; 4. hbase; 5. neo4j; among which mongodb is a very famous NoSQL database, which is a document-oriented open source database.

Nov 23, 2020 am 10:28 AM
非关系型数据库
What are the differences between relational databases and non-relational databases?

What are the differences between relational databases and non-relational databases?

Difference: Relational data is naturally in tabular format, so it is stored in the rows and columns of data tables; data tables can be stored in association with each other, and data can be easily extracted. Non-relational data is not suitable for storage in rows and columns of data tables, but is grouped together in large chunks; non-relational data is usually stored in data sets, like documents, key-value pairs, or graph structures.

Nov 12, 2020 pm 05:00 PM
关系型数据库 关系型数据库
Detailed explanation of the application scenarios, advantages and disadvantages of Redis

Detailed explanation of the application scenarios, advantages and disadvantages of Redis

Below, the Redis tutorial column will introduce the application scenarios, advantages and disadvantages of Redis to you. I hope it will be helpful to friends in need! As a typical non-relational database, Redis is currently widely used in enterprise-level applications. It is very suitable for scenarios with little storage and huge access volume. All data is in-memory...

Nov 03, 2020 pm 03:41 PM
Redis
How to understand what distributed databases are

How to understand what distributed databases are

Distributed databases include: 1. Elasticsearch database, which can exist on a single node or multiple nodes; 2. Redis database, which supports rich data types; 3. Mongodb database, which can obtain data more conveniently; 4. Mysql distributed cluster, high availability .

Oct 30, 2020 pm 02:24 PM
分布式数据库
10 Top NodeJS Frameworks for Developers

10 Top NodeJS Frameworks for Developers

Node.js is an open source, cross-platform JavaScript runtime environment based on the Chrome V8 engine. The event-driven, non-blocking I/O model enables the NodeJS framework to develop extremely lightweight and efficient web applications. Here are 10 top NodeJS frameworks recommended to you.

Sep 17, 2020 pm 05:59 PM
NodeJS 框架
The latest redis interview questions and answers in 2023 (collection)

The latest redis interview questions and answers in 2023 (collection)

Today, the PHP Chinese website has summarized some frequently asked questions in redis interviews for students. In addition to these common redis interview questions, we have also compiled some of the latest redis advanced interview questions in 2023. Welcome to learn, master these, and you can win. It’s the interviewer!

Aug 19, 2020 pm 04:14 PM
redis 面试题
Detailed explanation of the usage scenarios of 5 data structures in Redis

Detailed explanation of the usage scenarios of 5 data structures in Redis

Below, the Redis tutorial column will introduce you to the usage scenarios of the five data structures in Redis. This article explains the five data types in Redis: String, Hash, List, Set, and Sorted Set. Friends in need can refer to it!

Aug 19, 2020 pm 01:24 PM
Redis
What is the use of Yii framework?

What is the use of Yii framework?

Yii is a PHP framework, a general Web programming framework that can be used to develop various Web applications built with PHP; because of its component-based framework structure and exquisitely designed caching support, it is particularly suitable for developing large-scale applications; it comes with rich functionality that significantly reduces development time.

Aug 17, 2020 pm 02:16 PM
Yii框架
Detailed explanation of the underlying operating mechanism and working principles of PHP

Detailed explanation of the underlying operating mechanism and working principles of PHP

This article mainly introduces the underlying operating mechanism and working principle of PHP. The article introduces it in detail through pictures and texts. It has certain reference learning value for everyone's study or work. Friends who need it can follow the editor to learn together. .

Aug 04, 2020 pm 03:41 PM
PHP 底层原理 运行机制
Share common Redis interview questions

Share common Redis interview questions

Redis is an open source non-relational database written in ANSI C language, complies with the BSD protocol, supports network, can be memory-based and persistent log-type, Key-Value database, and provides APIs in multiple languages.

Jul 25, 2020 pm 01:35 PM
Redis面试题
Learn the complete steps to integrate MongoDB with asp.net core

Learn the complete steps to integrate MongoDB with asp.net core

I was learning MongoDB-related knowledge two days ago and made a small demo. The following article mainly introduces you to the relevant information about [asp.net core] integrating MongoDB. The article introduces it in detail through sample code. Friends who need it You can refer to it.

Jul 18, 2020 pm 04:47 PM
asp.net core mongodb
What are the disadvantages of yii2?

What are the disadvantages of yii2?

Disadvantages of yii2: 1. Less guidance and consideration for the Model layer; 2. Fewer document examples; 3. Too much English; 4. It requires proficiency in PHP technology and proficiency in OOP programming; 5. View is not an ideal view, ideal The view in may only be html code and will not involve PHP code.

Jul 18, 2020 am 11:11 AM
yii2
What is the English abbreviation of database?

What is the English abbreviation of database?

The English abbreviation of database is: "DB" (Database). "DBMS" stands for Database Management System; a database is a collection of data that is stored together according to certain rules, can be shared with multiple users, has as little redundancy as possible, and is independent of applications.

Jul 16, 2020 pm 05:18 PM
数据库
Several methods for transferring data between WeChat applet pages

Several methods for transferring data between WeChat applet pages

In the development of WeChat applet, we often encounter the problem of data transfer or mutual influence between pages. In the actual development process, this can be achieved through the following methods.

Jul 13, 2020 pm 04:49 PM
微信 小程序 传递数据

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