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1, Effect display main interface: Add books: Modify interface: 2, Front end implementation 1,Vue.cli build project Enter vue ui on the command line (UI interface with vue version above 3.0) vue ui Manually create the project and select the following configuration to use: Wait until the project is created, because the bac ...

Previous: Initial knowledge of MySQL HASH partition and LINEAR HASH partition KEY partition The KEY partition is similar to the HASH partition. Of course, there are differences (1) In the HASH partition, you can use integer columns or expressions based on column values, that is, PARTITION BY HASH(expr), while in the KEY partition, you can ...

Project introduction **Project address:** https://github.com/newbee-ltd/newbee-mall **Project Description: * * NewBee mall project is a set of e-commerce system, including NewBee mall system and NewBee mall admin mall background management system, based on spring boot 2 X and related technology stack development. The front desk mall system in ...

preface We will show you a go zero micro service example in detail through a series of articles. The whole series is divided into ten articles, and the directory structure is as follows: Environment construction Service splitting User services (this article) Product service Order service Payment services RPC service Auth authen ...

mysql 1, Database 1). What is a database? Note: database is a professional warehouse for storing and managing data 2). Classification of database Extended content:Classification of database early stage : Hierarchical database , Network database Now? : Relational database , Non relational database Now most of the databases on the mar ...

Scene reproductionIntroduction to terms and functions alive_tasksend_msgsender_task_send_msgconclusionresolventWrite at the end ❝ Recently, the backup and restore function under different data volumes has been tested, so a large amount of data needs to be migrated to the MGR cluster. However, when the amount of migrated dat ...

1. Introduction to Jason type The Json type is provided after MySQL 5.7, which is a type designed by MySQL combining structured storage and unstructured storage. In some situations, the Jason type is a blessing. Scenario 1: user portraits, labels describing users and other similar scenarios, such as patient health files in Internet hospital ...

Multi table query, sub query, common function 1, Multi table query Multi table query: connect multiple tables through key fields with the same meaning in different tables to query the field information in different tables. Correspondence One to one: for example, the personnel information table and the personnel identity card correspon ...

1. Database index 1.1 index overview The index is similar to the table of contents in a book. In a book, you can quickly find the required information without reading the whole book. The table of contents in the book is a word list, which indicates the page number containing each word The database index is in the database. The index enabl ...

Performance Monitoring Tools -- Connect MySQL Number of servers SHOW GLOBAL STATUS LIKE 'Connections'; -- MySQL Server online time SHOW GLOBAL STATUS LIKE 'Uptime'; -- Number of slow queries SHOW GLOBAL STATUS LIKE 'Slow_queries'; -- Select Number of rows returned by the query SHOW GLOBAL STATUS LIKE 'Innodb_rows_read'; -- implement INSERT Nu ...