CourseIntermediate3157

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.

CourseElementary12396

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.

CourseIntermediate7736

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.

CourseAdvanced43034

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 Introduction：Justin Bons, founder of Cyber Capital, sparked controversy by leveling serious accusations against Ethereum Layer 2 scaling solutions.

2024-09-01 comment 0781

Course Introduction：OCuLink has set a new standard for external graphics card setups, thanks to its support for up to 64 Gbps bandwidth. Thunderbolt 4 and USB4, on the other hand, can deliver up to 40 Gbps. But Beelink has introduced a much better solution with the laun

2024-09-01 comment 0444

Course Introduction：The world’s leading blockchain search engine, OKX Explorer has upgraded its platform by integrating with Fractal, an innovative Bitcoin scaling solution.

2024-09-09 comment 0214

Course Introduction：Introduction: Dialog tag was introduced in HTML5, and you know what that means—no more being chained to external solutions like Bootstrap for those modals and popups! With HTML5's native element, you can create dialog boxes, prompts, and popups dire

2024-09-01 comment 0331

Course Introduction：The world's leading blockchain search engine, OKX Explorer has upgraded its platform by integrating with Fractal, an innovative Bitcoin scaling solution.

2024-09-09 comment 0471