Introduction to SQL and relational databases

Universitat Politècnica de València

Introduction to SQL and relational databases

Nacho Despujol

位教师：Nacho Despujol

访问权限由 New York State Department of Labor 提供

深入了解一个主题并学习基础知识。

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2 周完成

在 10 小时一周

灵活的计划

自行安排学习进度

深入了解一个主题并学习基础知识。

初级等级

推荐体验

2 周完成

在 10 小时一周

灵活的计划

自行安排学习进度

您将学到什么

Basic concepts of databases and relational databases such as table, record, field, relation, primary key or secondary key.
Use of the SELECT command with the WHERE clause and various tools such as IN, BETWEEN or LIKE to query databases using string and range patterns.
The SQL commands for creating, changing and deleting tables and databases: CREATE, ALTER and DROP and to modify tables: INSERT, UPDATE and DELETE.
How to group, summarize and sort with ORDER BY, GROUP BY, SUM, AVG, MAX or MIN and how to make queries from several tables with JOIN and UNION

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作业

35 项作业

授课语言：英语（English）

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September 2025

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该课程共有5个模块

In the modern business landscape, information represents the most valuable resource for organizations, with the majority of this critical data housed within digital relational database systems.

The overwhelming majority of database management platforms currently deployed across industries rely on SQL as their primary language for data manipulation and retrieval operations. As a globally recognized standard, SQL empowers users to execute sophisticated data analysis and aggregation operations through an intuitive command structure that maximizes efficiency. For professionals pursuing careers in data analytics, software development, or any field requiring database interaction capabilities, SQL proficiency serves as a fundamental prerequisite. This comprehensive course will guide you through essential database management principles while providing hands-on experience with SQL implementation. Beginning with fundamental data retrieval techniques from single tables, you'll progress to advanced multi-table operations that enable comprehensive data analysis—all practiced using our cloud-based SQL simulation environment throughout your learning journey.

涵盖的内容

1篇阅读材料7个作业5个插件

1篇阅读材料总计2分钟

Download course slides 2分钟

7个作业总计50分钟

Module Exam 30分钟
Database Basics 2分钟
relational databases 2分钟
Relationships between tables in relational databases 2分钟
Database Management Systems (DBMS) 2分钟
SQL language 2分钟
Test exam week 1 10分钟

5个插件总计44分钟

Database Basics 10分钟
relational databases 10分钟
Relationships between tables in relational databases 10分钟
Database Management Systems (DBMS) 6分钟
SQL language 8分钟

涵盖的内容

7篇阅读材料9个作业7个插件

7篇阅读材料总计100分钟

Generalities exercise 5分钟
Select command 10分钟
Limit, Distinct(), Count() exercises 10分钟
Data types exercises 10分钟
Create, Drop, Alter exercises 30分钟
Insert, Update, Delete exercises 20分钟
Indexes, Views, and Stored Procedures exercises 15分钟

9个作业总计104分钟

Module Exam 60分钟
Generalities exercise 2分钟
Select command exercises 2分钟
Limit, Distinct(), Count() exercises 2分钟
Data types exercises 2分钟
Create, Drop, Alter exercises 2分钟
Insert, Update, Delete exercises 2分钟
Indexes, Views, and Stored Procedures exercises 2分钟
Test exam week 2 30分钟

7个插件总计74分钟

Generalities 12分钟
Select command 10分钟
Limit, Distinct(), Count() 7分钟
Data types 15分钟
Create, Drop, Alter 12分钟
Insert, Update, Delete 8分钟
Indexes, Views, and Stored Procedures 10分钟

涵盖的内容

7篇阅读材料9个作业7个插件

7篇阅读材料总计130分钟

Select with string patterns, ranges, and sets exercises 30分钟
Order result sets with ORDER BY exercises 10分钟
Grouping result sets with GROUP BY exercises 15分钟
SELECT CASE exercises 15分钟
Aggregate and per-row functions exercises 20分钟
Integrated date and time exercises 30分钟
Subqueries and nested SELECTs exercises 10分钟

9个作业总计179分钟

Module exam 120分钟
Select with string patterns, ranges, and sets exercises 2分钟
Order result sets with ORDER BY exercises 2分钟
Grouping result sets with GROUP BY exercises 2分钟
SELECT CASE exercises 2分钟
Aggregate and per-row functions exercises 2分钟
Integrated date and time functions exercises 2分钟
Subqueries and nested SELECTs exercises 2分钟
Test exam week 3 45分钟

7个插件总计56分钟

Select with string patterns, ranges, and sets 8分钟
Order result sets with ORDER BY 5分钟
Grouping result sets with GROUP BY 5分钟
SELECT CASE 5分钟
Aggregate and per-row functions 10分钟
Integrated date and time functions 15分钟
Subqueries and nested SELECTs 8分钟

涵盖的内容

3篇阅读材料5个作业3个插件

3篇阅读材料总计50分钟

Implicit JOIN and JOIN types exercises 10分钟
INNER, LEFT, RIGHT and OUTER JOIN exercises 20分钟
SELECT UNION exercises 20分钟

5个作业总计186分钟

Module exam 120分钟
Implicit JOIN and JOIN types exercises 2分钟
INNER, LEFT, RIGHT and OUTER JOIN exercises 2分钟
SELECT UNION exercises 2分钟
Test exam week 4 60分钟

3个插件总计36分钟

Implicit JOIN and JOIN types 15分钟
INNER, LEFT, RIGHT and OUTER JOIN 15分钟
SELECT UNION 6分钟

涵盖的内容

1篇阅读材料5个作业3个插件

位教师

Nacho Despujol

Universitat Politècnica de València

17 门课程 2,917 名学生

提供方

Universitat Politècnica de València

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