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There are often relationships between objects in life, such as one-to-one, one to many, many to many. For example, there are many students in a Course class who are one to many. In the database, you can add a foreign key to the Student table to point to the class id to indicate that the Student conta ...

Blog Outline: 1, PXC introduction 2, Deploy PXC cluster 1, PXC introduction Reference resources: Official Percona PXC is an open source MySQL high availability solution, which integrates Percona Server and Xtrabackup with Galera library to realize synchronous multi master replication. High availability solutions based on Galera mainly incl ...

1. Three installation methods of hive Three installation methods of Hive are introduced on Hive official website, corresponding to different application scenarios. In the final analysis, the storage location of metadata is different. Embedded mode (metadata is saved in the embedded derby database, al ...

With the limitations of single disk in data security, performance and capacity, RAID has emerged. RAID combines multiple independent disks in different ways to form a disk group to obtain higher data security, performance and capacity than single disk. 1, Common RAID levels Raid has several levels of RAID0~RAID7. In addition, there are some co ...

Article Directory Optional Stream API CompletableFuture Application of java 8 in Spring Boot JPA In the last article we talked about how to use JPA in Spring Boot.In this article, we will explain how to use the new special habits of java 8 in Spring Boot JPA, such as Optional, Stream API, and Comp ...

Hello, welcome to the program workplace, where you need to improve technology, career planning, personal growth, sideline development and other articles. Learn and improve with more small partners. This is the twelfth article in the Spring Boot series. Understanding the previous articles will hel ...

1.SpringBoot What is SpringBoot Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications n ...

Today, I will bring you a comprehensive practical battle of Laravel + Serverless Framework. There is a bit more information in it. Please take a closer look First of all, let me introduce the main local environment: Git: not much, as long as you can knock the code, you should know Node.js: due to Tencent cloud Serverless Framework The main pro ...

Summary of Spring Boot actual combat project (1) Project design ideas (steps) Development environment construction and log git common commands Learning methods List of projects available for reference 1, Project design ideas (steps) 1. Analysis function: what are the functions and application scena ...

PV introduction PV (Page View) is the number of clicks. Generally speaking, PV is the main indicator to measure a network news channel or website or even a network news. PV's explanation is as follows: a visitor looks at several pages of the website in 24 hours (0:00-23:00). It should be noted that the same person browsing the same page of th ...