|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/oracle-and-sql-step-by-step-learning/
课程评论：没有评论
**课程名称：** Step by Step Practical Oracle SQL with real life exercises **课程概述：** 本课程旨在教授学员 Oracle SQL 语言，帮助您掌握访问关系型数据库的技能，从而在软件行业保持竞争力。SQL 是一种标准语言，虽然本课程侧重于 Oracle SQL，但其基本原理也适用于其他关系型数据库，只需稍作调整。 课程采用两种学习方式： 1. **视频讲座：** 视频内容从 Oracle SQL 的基础知识讲起，并深入探讨重要的细节和难点。例如，除了讲解 NULL 值本身的含义，还会分析 NULL 值在实际应用中可能引发的问题。 2. **练习（PDF 格式）：** 练习题与视频讲座中的概念和难点紧密结合。每道题都会提供答案和详细解释。部分练习鼓励学员进行自我探索，以加深理解，但如果时间不允许，也可直接参考答案。练习的难度各异，部分题目对初学者可能显得复杂，甚至故意设置混淆点，旨在帮助学员提前应对真实工作或考试中的挑战。许多练习题基于真实生活场景，鼓励学员运用逻辑和实践推理来解决。 **核心亮点：** * **实战导向：** 课程强调通过真实生活场景的练习来巩固学习。 * **循序渐进：** 从基础到深入，逐步引导学员掌握 Oracle SQL。 * **注重细节：** 关注 SQL 的细微之处，例如 NULL 值的处理，以避免潜在问题。 * **练习丰富：** 提供各种难度和类型的练习，帮助学员建立扎实的技能。 * **备考准备：** 课程设计有助于学员应对实际工作和考试中的复杂性和不确定性。 **学习建议：** * 认真对待练习题，尝试独立思考，遇到困难时再参考答案和解释。 * 积极利用课程提供的 PDF 资源。 * 如有疑问，可随时向讲师提问。 本课程相信能够帮助您更好地应对现实数据库世界的复杂性和模糊性。祝您学习愉快，享受课程！
Relational databases have spread across the software world. Learning SQL means you know how to access them. This skill enables you to stay competitive. The course teaches you Oracle SQL. But, SQL is a standard that is used for other relational databases also. So, you can re-use the SQL learning (not 100% though) for other DBs as well with some tweaks specific to those DBs. The course tries to impart knowledge using two methods. 1. Video lectures. The lectures introduce you to the basics of Oracle SQL and also the important nuances. For e.g. apart from learning what a NULL value means, you will also learn the situations the NULL values can be problematic. 2. Exercises - PDFs -> The exercises deal with the concepts introduced in the videos and their nuances. - The answer for a question and the explanation will be provided in the next page. Occasionally, some questions can also ask you to do some self-exploration (recommended) on a topic related to the lecture. If you do not have time to do that, you can look at the answer with the explanation in the next page. - The exercises vary in complexity. Some of them can seem quite complex for a beginner. Some questions have been made intentionally confusing. A confusion/complexity now is better than the one at an examination hall or work. Isn't it?. - Several questions deal with real-life situations and their handling. Please attempt them using logical and practical reasoning, and if needed, take the help of the answer and the explanation in the next page. You can always contact me for any doubts. I believe, the course will help in preparing you for the complexity and ambiguity in the real-life database world. Good luck. Enjoy the course. PS: Exercises are attached as PDF resources in the videos. And not all videos will have a PDF. Questions across lectures could be clubbed together and uploaded against a single video lecture.
