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1. Official website address Demo address on official website https://fly.layui.com/ Template download address: https://www.layui.com/template/fly/ Detailed development documents: https://www.sunnyblog.top/index.html?typeId=1260457825721647104 2. Technology stack Development tool Idea Database design JDK version Java8 Database MySQL v5. ...

Source network, only for learning, if there is infringement, please contact delete. Before Redis 3.0, sentinel mechanism was used to monitor the status of each node. Redis Cluster is redis's distributed solution, which was officially launched in version 3.0, effectively solving redis's distributed requirements. When encountering single machin ...

Automatic Submission from Consumer stay Above The use of the Producer API is described. Now that we know how to send messages through the API to Kafka, the producer/consumer model is one less consumer.Therefore, this article will introduce the use of the Consumer API, which consumes messages from Kafka to make an app a consumer role. As always ...

1, Background High availability is another major feature of TiDB. All three components of TiDB/TiKV/PD can tolerate partial instance failure without affecting the availability of the whole cluster. The following describes the availability of these three components, the consequences of a single instance failure, and how to recover. TiDB T ...

Production environment Oracle RAC cluster test best method (support Oracle 11g/12c/18c/19c RAC installation post test process) 1, Oracle RAC cluster test background A large and medium-sized manufacturing company has built a set of business system ERP system for new projects. The database environment of this system is Oracle RAC (RHEL Linux7+O ...

Author: Yang Taotao Senior database expert, specializing in MySQL for more than ten years. Good at mysql, PostgreSQL, MongoDB and other open-source database related backup and recovery, SQL tuning, monitoring operation and maintenance, high availability architecture design, etc. At present, he is working in aikesheng, providing MySQL related ...

This article will use a simple login comment function to fully introduce the use of mybatis framework. Functions: add, delete, modify, query, multi table query, fuzzy query, dynamic query This article uses the environment / tools: Database: mysql 5.7 JDK:8 IDEA:2020.1 Database visualization tool: Navica ...

Source code for this article: GitHub. Click here || GitEE. Click here 1. Introduction to Column Library ClickHouse is the 2016 Open Source Column Storage Database (DBMS) of Yandex, Russia. It is mainly used for OLAP online analysis processing queries, and can use SQL queries to generate real-time analysis data reports. Column storage Row stor ...

<dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>5.1.8</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId ...

This paper reviews the knowledge of database, including creating database, creating table, primary key constraint, foreign key constraint and table relation (many to many). 1, Table description A user table, a role table, and a permission table. A user corresponds to multiple roles, a role corresponds to multiple ...