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所在平台: Udemy |
课程主页: https://www.udemy.com/course/real-world-sql-practice-exercises-for-beginners/
课程评论：没有评论
## Coursera 课程：真实 SQL 实践练习（入门级）内容总结 本课程名为“真实 SQL 实践练习（入门级）”，旨在帮助初学者掌握 SQL（Structured Query Language）这一数据库标准语言。SQL 是用于在数据库中存储、操作和检索数据的强大工具。 **核心内容涵盖：** * **SQL 的基本功能：** 课程将介绍 SQL 如何进行数据库访问和操作，包括执行查询、检索数据、插入、更新和删除记录。 * **数据库对象的创建：** 学习如何使用 SQL 创建新的数据库、表，以及存储过程和视图。 * **实践导向的学习：** 课程的核心是提供一系列真实的 SQL 实践练习，让学习者通过动手操作来巩固和提升技能。 * **详细的解决方案：** 对于每个提出的练习问题，课程都将提供详细的、一步一步的解决方案，帮助理解解题思路。 * **关键概念解析：** 在讲解解决方案的同时，课程还将阐释重要的 SQL 概念，以加深学习者对 SQL 的理解。 **学习 SQL 的重要性：** * **数据工作的基石：** SQL 是几乎所有数据相关工作的必备技能。 * **企业广泛应用：** 自 1970 年代以来，数据库系统就被各行各业的公司和组织广泛使用。 * **长期稳定的技能：** 与变化迅速的其他技术和编程语言不同，SQL 是一项非常稳定且能带来终身受益的技能。 * **实践出真知：** 真正吸收并应用所学知识，离不开解决实际问题的练习。 本课程通过提供真实的练习和详细的讲解，是学习者掌握 SQL、迈入数据领域的重要入门途径。
SQL is a standard language for storing, manipulating and retrieving data in databases.SQL stands for Structured Query Language. SQL lets you access and manipulate databasesSQL can execute queries against a databaseSQL can retrieve data from a databaseSQL can insert records in a databaseSQL can update records in a databaseSQL can delete records from a databaseSQL can create new databasesSQL can create new tables in a databaseSQL can create stored procedures in a databaseSQL can create views in a databaseThis course provides several exercises for you practice your SQL skills. The course also walks you through the solutions to these questions step by step. and explains important key concepts to give you a better understanding.SQL is necessary for almost everything data related. Database systems have been around since the 1970's and are used extensively at all companies and organizations. And to work with these databases at anything other than a very basic level, you need to understand and write SQL. And unlike some other technologies and programming languages (which change very frequently), SQL is much more stable. Once you learn it, it's a skill you can use for a lifetime. To really absorb and be able to apply your learning, you need to do real-world problems practice exercises.
