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所在平台: Udemy |
课程主页: https://www.udemy.com/course/complete-microsoft-sql-course-for-beginners/
课程评论：没有评论
课程名称：Microsoft SQL Server 2019：初学者指南 课程概述： SQL（结构化查询语言）是一项需求极高的技能，是提升职业发展的良好途径。现代社会中，数据库的使用非常普遍，但很多人并没有意识到这一点。本课程将帮助您建立 SQL Server，创建数据库和表，并使用 SQL 对数据进行查询。学习 SQL 还能为您带来额外的被动收入，许多自由职业网站都在寻找熟悉 SQL 的人才。例如，社交媒体和许多应用程序都利用数据库，像是音乐识别应用能够通过 API 连接到包含百万歌曲的数据库，以识别您所听的歌曲。银行也使用数据库来管理客户信息，网站则利用数据库存储用户数据或评论。 本课程不需要任何 SQL 或数据库的先前知识，内容将逐章讲解您需要了解的所有知识。在过去几年中，SQL 职位的需求持续上升，初级 SQL 开发人员的平均年薪约为 63,000 美元，而拥有 10 到 20 年经验的开发人员年薪可达 89,000 美元。SQL 的需求似乎在未来也不会减缓。 课程内容包括： - 设置自己的 SQL Server - 创建数据库和表 - 向表中添加数据 - 了解基本文件夹结构 - 使用 SQL 对数据进行排序和分组 - 学习 NULL 和 NOT NULL 的概念 - 使用主键和外键 - 备份和恢复数据库 - 使用 SQL 语句从单一表中查询数据 - 使用 JOIN 查询多个表中的数据 通过本课程，您将获取实用 SQL 技能，为自己在职场中创造更多机遇。
SQL (Structured Query Language) is a very high in demand skill and a great way to boost your career. Databases gets used so often in today's modern world but not a lot of people realize it. After this course you will be able to setup a SQL Server, create databases and tables and be able to use SQL to query data. SQL is also a great way to boost your passive income, there is a lot of freelancing websites where they are looking for people who knows their way around SQL.Social media and a lot of other applications uses databases like for example an application that recognizes a song and gives you the songs name. The application would listen to the song and use an API to connect to a database with millions of songs to see which songs match the one that you are listing to. Banks uses databases to keep track of their customers and websites can use databases to store the user's data or even the comments that is posted on the website. You do not need any prior knowledge of SQL or databases to take this course, because we will go through everything you need to know chapter by chapter.In the past few years, the rate of SQL jobs has been increasing. With the average salary ranging between being $63 000 per year for entry level SQL developers & $89,000 for developers with 10 - 20 years of experience. It does not look like the demand for SQL is slowing down anytime soon.In this course you will learn how to:Setup your own SQL ServerCreate databases and tablesAdd data to your tablesLearn about the basic folder structureSort and Group data using SQLLearn about NULL & NOT NULLLearn how to use Primary & Foreign keysBackup & Restore your databaseUse SQL statements to query data from a single tableUse JOINs to query data from multiple tables
