Mixing SQL with NoSQL using MariaDB and MongoDB

Suppose you have an application developed on Node.js (or any other platform). This application connects to a MongoDB database (NoSQL) that stores ratings of books (number of stars given and reviews). Let’s also say you have another application developed in Java (or Python, C#, TypeScript…etc.). This application connects to a MariaDB database (SQL, relational) and […]

Nosql database service redis

Nosql database service redis One picture explains DB’s branch products in detail Introduction to Nosql database It is a non-relational database service that can solve the concurrency capabilities of conventional databases, such as the IO and performance bottlenecks of traditional databases. It is also a supplement to relational databases and has relatively good efficiency and […]

NoSQL redis persistence (RDB, AOF)

Table of Contents 1. Redis high availability 2. Redis persistence 1. Persistence function 2. Two persistences of Redis 3. RDB persistence 1. Trigger conditions 1.1 Manual trigger 1.2 Automatic triggering 1.3 Other automatic triggering mechanisms 2. Execution process 3. Load RED files at startup (recovery) 4. Redis AOF persistence 1. Turn on AOF 2. Execution […]

NoSQL Redis configuration and optimization (1)

Relational databases and non-relational databases: ●Relational database: A relational database is a structured database created on the basis of a relational model (two-dimensional tabular model) and is generally oriented towards records. SQL statements (Standard Data Query Language) are a language based on relational databases and are used to retrieve and operate data in relational databases. […]

NosQL Redis configuration and optimization

Table of Contents 1. Relational databases and non-relational databases, 1.1. Understand relational databases and non-relational databases 1.1.1. Relational database 1.1.2. Non-relational database 1.2. Non-relational database 1.2.1. Concept 1.2.2. Generate background 1.2.3. Main features of non-relational databases 1.3. The difference between relational database and non-relational database: 2. redis 2.1. Overview: 2.2. The main features of Redis […]

[Redis] 1. NoSQL Redis configuration and optimization

Relational databases and non-relational databases Relational database A relational database is a structured database created on the basis of a relational model (two-dimensional tabular model) and is generally oriented towards records. SQL statements (Standard Data Query Language) are a language based on relational databases and are used to retrieve and operate data in relational databases. […]

NoSQL-Redis cluster

NoSQL-Redis cluster 1. Cluster: 1. Problems caused by single-point Redis: 2. Solve: 3. Introduction to the cluster: 4. Advantages of clusters: 5. How to realize the cluster: 2. Cluster mode: 1. Type: 2. Master-slave replication: 3. Build master-slave replication: 1. Preparation before installation: 2. Modify the redis configuration file: 3. Verify: 4. Redis sentinel mode: […]

nosql redis cluster

redis cluster of nosql One.redis cluster 1. Problems caused by single-node redis server (1) Single point of failure, service unavailable (2) Unable to handle a large number of concurrent data requests (3) Data loss 2. Cluster redis (1) Provide an assembly for sharing data among multiple redis nodes (2) The redis cluster does not support […]

NoSQL ——— Redis configuration and optimization

Directory 1. Relational database and non-relational database 1.1 relational database 1.2 Non-relational database Nosql 1.3 The difference between relationship and non-relationship 1.4 The background of non-relationship 1.5 Summary 2. Introduction to Redis 2.1 Introduction to Redis 2.3 Advantages of Redis 2.4 Why is Redis so fast? 3. Redis installation and deployment 3.1 install redis 3.2 […]

Redis configuration and use of NoSQL

Directory 1. Relational and non-relational databases 1.1. Overview of relational databases 1.2 Advantages and disadvantages of relational database 1.2.1 Advantages 1.2.2 Disadvantages 1.3. Overview of non-relational databases 2. The difference between relational database and non-relational database 2.1 Different data storage methods 2.2 Different expansion methods 2.3 Different support for transactional 2.4 Background of non-relational database […]