Course Intermediate  3445

Course Introduction：This set of courses is based on the design concept and data structure of MySQL index, index usage scenarios, index classification, index usage scenarios, index performance analysis, query optimization, slow query of MySQL index, etc. It mainly describes the solution of MySQL index optimization. It is very suitable for students who have basic knowledge of MySQL or have certain work experience. The course explains how to solve the problem of slow large-volume queries, how to write an efficient SQL, how to optimize query statements, what is the implementation principle of indexes, how to optimize indexes... and many other difficulties and interview points in SQL index optimization.

Course Elementary  12736

Course Introduction："AJAX Cross-Domain Solution: JSONP Video Tutorial" The core of ajax is the JavaScript object XmlHttpRequest. This object was first introduced in Internet Explorer 5 and is a technology that supports asynchronous requests. This video introduces the ajax cross-domain solution.

Course Advanced  44875

Course Introduction：This set of courses is an advanced course, including: query optimization and performance analysis of MySQL single table with tens of millions of data, mySQL master-slave principle and its application in high-concurrency systems, integration and use of Elasticsearch and PHP (Laravel), high concurrency The difference between system code and ordinary system code architecture and analysis of concerns, etc.

Course Intermediate  4567

Course Introduction：MySQL installation and configuration under Linux, database logical layering, parsing process, index, detailed analysis of SQL execution plan, principles to avoid index failure, optimization cases, common optimization strategies, slow SQL troubleshooting, simulation of massive data, lock mechanism, MySQL under windows and linux Master-slave replication.

Course Intermediate  8053

Course Introduction：Caching is a core component of current enterprise-level applications. Today's mainstream e-commerce, life services, live broadcast and other fields are inseparable from the use of cache. As the current mainstream caching technology, Redis has become the first choice for Internet companies. The cache structure design based on redis cluster currently accounts for half of the market in the same field.

Course Intermediate  6935

Course Introduction：How to tune SQL according to execution plan under massive data? How does the mysql index system cope with massive data storage? How to design a mysql index with excellent performance under massive data Full analysis of clustered index and non-clustered index of mysql Must-ask nouns in mysql index interview: table return, index coverage, leftmost matching How to optimize indexes for specific SQL scenarios

Course Intermediate  11330

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17632

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11346

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Intermediate  27045

Course Introduction：RBAC is one of the most common rights management technologies in commercial systems. RBAC is an idea that can be implemented in any programming language. Its mature and simple control idea is increasingly popular among developers. "ThinkPHP (RBAC) Rights Management Video Tutorial" will introduce the basic knowledge, principles and complete implementation process of RBAC in detail through the theoretical part and practical part, and demonstrate the application scenarios of RBAC.

Course Intermediate  52999

Course Introduction：Redis is the main caching service used in PHP projects. We will introduce the advanced usage of redis in "Yan Shiba Redis Video Tutorial", and will also use cases to learn Redis in depth.

Course Advanced  21281

Course Introduction：The jquery tutorial "Dark Horse Programmer jQuery Video Tutorial" takes you directly to learn basic to advanced knowledge of jQuery, taking your front-end learning a step further. jQuery is a lightweight "write less, do more" JavaScript library that greatly simplifies JavaScript programming and is easy to learn.

Course Advanced  10376

Course Introduction："Miaowei Classroom JavaScript Video Tutorial" will introduce you to JavaScript in detail. JavaScript is a literal scripting language and a scripting language widely used in client-side Web development. Currently used by millions of web pages to improve design, validate forms, detect browsers, create cookies, and more.

Course Advanced  13454

Course Introduction：As a scripting language widely used on the web server, PHP has unique advantages in agile web development. It has many successful cases, an active community, rich resources, and many frameworks. ThinkPHP, as an earlier and relatively mature domestic PHP framework, has a considerable number of users in the country. Through the "thinkPHP3.2 Message Board Video Tutorial", we will introduce the basic knowledge of ThinkPHP to prepare for subsequent actual projects.