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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sql-for-beginners-essential-query-skills/
课程评论：没有评论
Coursera 课程《SQL 入门 - 必备查询技能》是一个面向初学者的数据库学习之旅。本课程将带你深入了解关系型数据库管理系统，并学习如何有效地从中查询数据，掌握在工作中广泛应用的必备技能。 **课程主要内容：** * **关系型数据库基础：** 理解数据库表、元组、关系等核心概念。 * **SELECT 语句：** 掌握 SELECT 语句的语法，学习如何提取数据，并利用 WHERE 子句和计算列进行数据分析。 * **聚合函数：** 学习使用 SUM、AVG、COUNT、MAX、MIN 等聚合函数来总结和解释数据。 * **JOIN 和子查询：** 掌握不同类型的 JOIN 和子查询，以便在复杂数据库中进行数据关联和嵌套操作。 * **UNION 和 CASE 语句：** 学习使用 UNION 合并查询结果，并使用 CASE 语句实现条件逻辑。 **课程亮点：** * **实践导向：** 通过丰富的实验环节，让你在自己的时间、按照自己的节奏进行学习。 * **专业指导：** 由经验丰富的 SQL 开发人员和讲师进行指导，确保学习的清晰度和理解。 * **全面学习：** 提供清晰的学习框架，重点讲解 SELECT 语句在查询关系型数据库中的应用。 * **职业发展：** 掌握 SQL 技能，为未来的职业发展打开更多机会。 无论你是否有编程经验，只要对信息和数据库查询感兴趣，本课程都非常适合你。立即报名，开启你的数据库和 SQL 之旅！
Welcome to "SQL For Beginners", an exciting and transformative journey into the world of databases using SQL. In this course, you will learn all about relational database management systems and how to query data from them effectively. You will acquire essential skills that are widely useful in the workplace.Who This Course is For:This "SQL For Beginners" course is for aspiring data scientists looking to begin their journey into the wonderful world of data. Anyone eager to learn about information and how to query it within databases is sure to enjoy their time working through the lectures and labs. In addition, this course is designed for anyone. You do not need any experience with programming languages to be able to succeed in this course.Main Learning Objectives:Relational Databases: Grasp the fundamentals of relational databases, learning about the intricacies of tables, tuples, relations and so much more.SELECT Statements: Dive into the heart of SQL and focus on crafting excellent and effective SELECT statements. You will master the syntax and gain the ability to retrieve data from tables. Then, you will further analyze data, utilizing the WHERE clause and the concept of computed columns.Aggregate Functions: Learn how to use aggregate functions such as SUM, AVG, COUNT, MAX and MIN to interpret and summarize data effectively in real-world scenarios.Joins and Subqueries: Navigate seamlessly within a complex database, mastering unique JOIN types and using subqueries for necessary nested operations. Unions and Case Statements: Conclude your journey by combining results using UNIONs and conditional logic through CASE statements. Why Enroll in This Course?Practical, Real-World Approach: Educate yourself through this course's many labs. Work through them in your own time, at your own pace.Professional Guidance: Learn from an experienced SQL developer and lecturer who will guide you through the course, ensuring clarity and understanding above all else.Comprehensive Learning Experience: This course provides a clear framework for utilizing SQL and specifically SELECT statements to best query data from relational databases.Career Growth: Acquiring skills within the language of SQL opens doors to various future career opportunities.What are you waiting for? Enroll now in "SQL For Beginners" and gain valuable knowledge and expertise to take over the world of databases and SQL!
