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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sql-for-absolute-beginners-ug/
课程评论:没有评论
**Coursera 课程总结:SQL for absolute beginners** 本课程专为完全零基础的学习者设计,旨在教授 SQL(结构化查询语言)的基础知识及其在关系数据库中的应用。 **学习要点:** * 掌握 SQL 的基本概念和关系数据库的原理。 * 学会创建和管理数据库表。 * 编写高效的 SQL 查询语句,以检索和操作数据。 * 理解 JOIN、VIEW 和 SUBQUERY 等高级查询技术。 * 学习编写安全、优化的 SQL 代码的最佳实践。 * 通过真实世界的案例和练习巩固所学知识。 **课程结构:** 课程包含 20 个短小精悍的视频,每个视频聚焦一个特定主题,允许学习者按自己的节奏进行学习。内容涵盖: * SQL 基础概念 * 数据库基础 * SQL 表的创建与数据插入 * 数据过滤(WHERE 子句)、排序与限制 * 多表数据联合(JOINs)、视图(Views)与子查询(Subqueries) * 数据汇总(聚合函数)、分组(GROUP BY)与分组过滤(HAVING) * 用户定义函数(User-defined Functions)、存储过程(Stored Procedures)与触发器(Triggers) * 提高查询效率的索引(Indexes) * 数据完整性(Transactions) * 简化查询的 CTE(Common Table Expressions) * SQL 最佳实践(高效与安全) * 学习 SQL 的重要性 **为何学习 SQL?** SQL 是与关系数据库交互的标准语言,对于数据分析、Web 开发和软件工程等领域至关重要。本课程是初学者建立坚实 SQL 基础的理想选择,提供清晰的讲解、实用的示例和真实世界的应用。
What You'll Learn:The fundamentals of SQL and relational databases.How to create and manage tables.Writing efficient SQL queries to retrieve and manipulate data.Understanding joins, views, and subqueries.Best practices for writing secure and optimized SQL code.Real-world examples and exercises to apply your knowledge.Course Structure:This course is broken down into 20 bite-sized videos, each focusing on a specific topic to ensure you can follow along at your own pace. Here's a quick overview of what each video covers:Video Titles:Introduction to SQL: Understanding the BasicsUnderstanding Databases: The Foundation of SQLSQL Tables: The Core of Data StorageInserting Data into SQL TablesFiltering Data with SQL WHERE ClauseSorting and Limiting Results with SQLSQL Joins: Combining Data from Multiple TablesSQL Views: Simplifying Complex QueriesSQL Aggregation: Summarizing Data with FunctionsSQL USER defined functions: Summarizing Data with FunctionsSQL GROUP BY: Organizing Data into GroupsSQL HAVING: Filtering Grouped DataSQL Subqueries: Writing Queries Within QueriesSQL Indexes: Speeding Up Your QueriesSQL Transactions: Ensuring Data IntegritySQL Triggers: Automating Database ActionsSQL stored procedures: Automating Database ActionsSQL CTE: Simplifying query.SQL Best Practices: Writing Efficient and Secure QueriesWhy Learn SQL?SQL (Structured Query Language) is the standard language for interacting with relational databases. Whether you're working with data for business analysis, web development, or software engineering, knowing SQL is essential. This course is perfect for beginners who want to build a strong foundation in SQL, with clear explanations, practical examples, and real-world applications.