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所在平台: Udemy |
课程主页: https://www.udemy.com/course/master-sql-in-3-hours/
课程评论:没有评论
课程名称:SQL入门:从零开始逐步学习SQL 课程概述:如果你想学习如何从数据中获取洞察,但对数据库感到害怕,不知道从何入手,那么这个课程就是为你准备的。本课程是对MySQL的温和但全面的介绍,MySQL是当今商业领域中需求量很大的技能之一。无论你是在销售或市场部门工作,还是经营自己的公司,或者想要构建自己的应用程序,掌握MySQL对于利用数据回答复杂的商业问题至关重要。 “SQL入门”课程以一种既信息丰富又引人入胜的方式为你打下坚实的数据库基础。课程中包含了大量的练习、挑战、项目以及实践机会,让你能够将所学应用到现实世界的挑战中。SQL是你可以学习的最重要的查询语言,它被许多流行的关系数据库管理系统(如MySQL)所使用,并且也广泛应用于数据分析和大数据框架及工具中,如Apache Spark。因此,掌握SQL为你打开了无数的机会和工作选择,无论你是在处理关系数据库,还是成为数据科学家,掌握SQL都是关键。 本课程从基础开始,以极高的细节水平教授SQL。SQL是一种标准化语言,因此学习SQL将帮助你在各种环境中应用它。尽管不同的数据库系统会支持SQL的不同方面或带来各自的变种,但本课程通过探讨最流行的数据库系统之一——MySQL的所有关键特性来深入讲解SQL。所有查询和命令的示例都以此数据库系统为例,确保你能够在这个环境中舒适地使用SQL。 在本课程中,你将学习: - SQL的定义及核心语法 - 如何编写SQL命令 - 如何安装MySQL - 如何创建和结构化数据库表 - 哪些数据类型可以使用以及何时使用 - 如何执行CRUD操作(创建、读取、更新和删除数据) - 如何将数据插入表中 - 如何查询和过滤数据 - 为什么要将数据分布在多个表中(以及如何做到这一点) - 如何将数据连接(合并)成组合结果集 - 如何编写基本和更复杂的查询 - 如何聚合和分组数据 - 如何使用内置数据库函数处理数字、文本或日期 - 如何使用索引优化数据库 - 以及更多内容! 探索完整的课程大纲以获取全面的课程内容概述,并观看免费预览部分,了解本课程将如何帮助你!本课程还提供30天退款期,让你可以无风险尝试。我们非常欢迎你加入本课程,一起探索SQL!那么,让我们开始吧!今天就报名,开始学习SQL吧!
If you want to learn how to gain insights from data but are too intimidated by databases to know where to start, then this course is for you. This course is a gentle but comprehensive introduction to MySQL, one of the most highly in-demand skills in the business sector today.Whether you work in sales or marketing, you run your own company, or you want to build your own apps, mastering MySQL is crucial to answering complex business problems and questions using insights from data. SQL for Beginners introduces you to a solid foundation in databases in a way that's both informative and engaging. Yes, that's right, it's possible to make an engaging course on databases.This course is also chock full of exercises, challenges, projects, and opportunities for you to practice what you're learning. Apply what you're learning to real-world challenges.SQL is THE most important query language you can learn!It's used by many popular relational database management systems like MySQL. But it's also used by data analysis and big data frameworks and tools like Apache Spark.Hence knowing SQL opens up an endless amount of opportunities and jobs - no matter if you're going to work with relational databases or if you're becoming a data scientist, knowing SQL will be key!This course teaches you SQL from the ground up and in extremely high detail!SQL is a standardized language and therefore learning SQL will help you apply it in all kinds of contexts. Nonetheless, different database systems also support different aspects of SQL or bring their own variations of the SQL language. Therefore, this course dives into SQL by exploring all key features at the example of one of the most popular database systems: MySQL. All query and command examples are shown for this database system, ensuring that you feel comfortable working with SQL in this environment!This course will enable you to write your own (simple or complex) SQL queries, create basic or advanced databases and table structures and work with data of different shape and complexity!In detail, you will learn:What exactly SQL is and how the core syntax looks likeHow to write SQL commandsHow to install MySQLHow to create and structure database tablesWhich data types you may use and when to use which data typeHow to perform CRUD operations: Create, Read, Update & Delete DataHow to insert data into tablesHow to query and filter dataWhy you should split data across multiple tables (and how to do that)How to join (merge) data into combined result setsHow to write basic and more complex queriesHow to aggregate and group dataHow to use built-in database functions to work with numbers, text or datesHow to optimize databases with indexesAnd much, much more!Explore the full course curriculum to get a thorough overview of the course content and watch the free preview section to learn how this course will help you!This course also comes with a 30 day refund period, so that you can try it risk-free:)We'd love to welcome you on board of this course and explore SQL together with you!So let's do this! Enroll today and start learning SQL!