4. Codecademy - 学习SQL Codecademy编程学习平台上的Learn SQL课程,你可以学习到如何使用SQL语言管理大规模的数据并且分析现实生活中的数据,该课程共有4个小节,分为操作数据(增删查改)、查询数据(复杂的查询)、聚合函数和多个表的处理。 此外,该课程提供互动练习和项目,让你在真实世界的场景中练习你的SQL技能。你...
SQL(Structured Query Language,结构化查询语言)是一种用于管理和操作关系型数据库的标准化编程语言。 在本教程中,您将学到如何使用 SQL 访问和处理数据系统中的数据,这类数据库包括:MySQL、SQL Server、Access、Oracle、Sybase、DB2 等等。 在线测试工具:https://www.jyshare.com/front-end/7768/。 每一章实例 ...
SQL Tutorial - Learn SQL with our comprehensive tutorial covering all aspects of SQL, from basic queries to advanced database management techniques.
Although it is a good idea to go through this tutorial in the above order, it is not required. You are free to go through the site based on how you learn best. Pleasebookmark this site nowand so you can come back to this site whenever you need to remember how a SQL command is us...
1.Codecademy 网址：https://www.codecademy.com/learn/learn-sql 推荐原因：提供互动式学习体验，适合...
Keep up to date with the latest techniques and resources for SQL Server. Our tutorials are full of free SQL Server training tips to help you learn, build, & grow.
Although it is a good idea to go through this tutorial in the above order, especially for beginners, it is not required. You are free to go through the site based on how you learn best. Please bookmark this site now and so you can come back to this site whenever you need to remembe...
我想自己学习下SQL,以后找工作可以多项技能。百度了下好像要安装mysql, 然后找本书看看。知乎的大神们,…
LearnSQL.com has become my go-to online resource for real-world applications of SQL over the past year. Previously, it was challenging to find reliable, reproducible solutions for applied metrics problems—such as mapping hierarchies, running totals, and moving averages. That's where this platfor...
You've finished the tutorial! We hope the lessons have given you a bit more experience with SQL and a bit more confidence to use SQL with your own data. We've just brushed the surface of what SQL is capable of, so to get a better idea of how SQL can be used in the real world,...