Course Advanced  10237

Course Introduction：In this era of data explosion, how can we find what we want in the vast amount of data? How is this achieved? Next, you can learn PHP's fuzzy query technology together.

Course Intermediate  18793

Course Introduction：Python is a computer programming language and a dynamic, object-oriented scripting language. It was originally designed for writing automated scripts (shell). This course will lead you to manually develop a word query system from scratch using python3.6

Course Advanced  21302

Course Introduction：In this era of data explosion, how can we find what we want in the vast amount of data? How is this achieved? Next, you can learn PHP's fuzzy query technology together.

Course Advanced  43158

Course Introduction："High-Performance Linux Server Building Video Tutorial" introduces the installation and configuration of the system, the introduction of the editor, the operation of files, the establishment of the lnmp environment and the installation and use of Redis.

Course Intermediate  7206

Course Introduction：Required knowledge: PHP syntax basics Mysql basic usage Common commands in Linux systems Basic use of Swoole

Course Introduction：How to optimize MySQL query performance Introduction: MySQL, as a commonly used relational database management system, has a wide range of applications. In the actual development process, we often need to process a large amount of data and need to query efficiently. Therefore, optimizing MySQL query performance has become a very important task. This article will introduce some methods to optimize MySQL query performance and illustrate them through code examples. 1. Creating a suitable index Index is one of the important means to improve query performance. by creating appropriate indexes

2023-08-02 comment 0  1503

Course Introduction：How to Utilize Subqueries in Laravel for Improved PerformanceIn Laravel, subqueries offer a powerful approach to enhance the efficiency of certain...

2024-12-11 comment 0  969

Course Introduction：查询是数据库技术中最常用的操作。查询操作的过程比较简单，首先从客户端发出查询的SQL语句，数据库服务端在接收到由客户端发来的SQL语句后，执行这条SQL语句，然后将查询到的结果返回给客户端。虽然过程很简单，但不同的查询方式和数据库设置，对查询的性能

2016-06-07 comment 0  915

Course Introduction：How to optimize MySQL query performance? MySQL is a relational database management system widely used in web development. However, when processing large amounts of data and complex queries, MySQL's query performance may suffer, resulting in slower application response times. In order to improve MySQL query performance, we can take the following optimization methods. First, optimize the query statement. When writing queries, try to avoid using wildcards or unnecessary conditions in the WHERE clause. Furthermore, it is possible

2023-09-11 comment 0  748

Course Introduction：How to monitor query performance of MySQL database? In order to optimize the query performance of the MySQL database, we need to understand the execution efficiency of the query and the resources it consumes. In practical applications, a variety of methods can be used to monitor and analyze the query performance of the MySQL database to identify performance bottlenecks and optimize them. 1. Use the Explain statement to analyze the query plan. The Explain statement can display the query plan of the MySQL database to execute the query statement, that is, how the database executes the query. By analyzingExpla

2023-07-12 comment 0  1232