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.


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
您将获得的技能
要了解的详细信息

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September 2025
35 项作业
了解顶级公司的员工如何掌握热门技能

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3篇阅读材料5个作业3个插件
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1篇阅读材料5个作业3个插件
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Illinois Tech
- 状态:免费试用
Illinois Tech
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