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HTML 1: Basic cognition Understanding web pages 1: What is a web page Text, pictures, audio, video and hyperlinks 2: What is the essence behind the web page Front end code 3: What is the code transformed into an interface Browser parsing and rendering Five browsers 1: Browser It is the platform for web page display and operation 2: ...

Using go to realize mysql batch test data generation TDGComponent code: https://gitee.com/dn-jinmin/tdgDownload go get gitee com/dn-jinimin/tdgAt present, it is only for mysql and only supports batch addition of multiple single tables. The associated addition has not been completed01. Let's goThe main reason for developing TDG is that many frie ...

1, Basic query Syntax: select Query list from Table name; characteristic: 1,The query list can be fields, constant values, expressions and functions in the table 2,The result of the query is a virtual table database structure Employee table Department table Location table List of types of work USE ...

JDBC 1: Database driven For example: sound card, graphics card, driver, etc; 2: JDBC In order to simplify the (unified database) operation of developers, SUN company provides a (Java database operation) specification, commonly known as JDBC. The implementation of these specifications is done by specific manufacturers. For developers, we onl ...

SQL, namely structured query language, is a database query and programming language, which is used to access data and query, update and manage relational database system; SQL language is the widely used standard language of relational database and the basis of various database interaction methods. The following will show how to use SQL to acces ...

01. Hystrix circuit breaker 1. General Problems faced by distributed systems Problems faced by distributed systems Applications in complex distributed architecture have dozens of dependencies, and each dependency will inevitably fail at some time. Service avalanche When calling between multiple microservices, suppose that microse ...

1. Introduction to Shiro Apache Shiro is an open source security framework that provides authentication, authorization, cryptography, and session management. Shiro framework is intuitive and easy to use. At the same time, it can also provide robust security. Although its function is not as powerful as spring security, it is still enough in ord ...

MySQL knowledge summary III (MySQL query data) MySQL knowledge summary I (MySQL common terms) MySQL knowledge summary II (basic MySQL operation) MySQL knowledge summary III (MySQL query data) MySQL knowledge summary IV (SQL injection) MySQL knowledge summary 5 (MySQL functions and operators) Keyword execution order1,from2,join on3,where4,grou ...

Method of modifying root password in MySQL As the first barrier to database security, the root account and its password. Learning to manage the root password is undoubtedly a basic skill for the gatekeeper and the unlocking man. Know the password When the password is known, you can log in to the MySQL database and modify it through alter ...

introduction In this blog post, the ape is mainly aimed at the application of transactions, and there are seven types of communication behaviors of transactions. These seven communication behaviors have different application scenarios. The following ape will discuss the respective characteristics of the seven communication behaviors Functiona ...