In this 2-hour long project-based course, you will learn how to retrieve data from tables in a database using SQL SELECT statement with SQL Aggregate functions. The aggregate functions we will consider in this project are COUNT, SUM, MIN, MAX and AVG. Aggregate functions are used to summarize data from rows of a table into a single value. In addition, you will learn how to set conditions on the output of an aggregate function using the HAVING clause. Finally, you will learn how to tidy up the result set of aggregate functions using the ROUND function.
Performing Data Aggregation using SQL Aggregate Functions
Performing Data Aggregation using SQL Aggregate Functions
Instructor: Arimoro Olayinka Imisioluwa
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4.8
(77 reviews)
Intermediate level
Recommended experience
2 hours
Learn at your own pace
Hands-on learning
What you'll learn
Retrieve data as summaries from tables of a database using SQL aggregate functions
Understand how to set conditions on the result set of an aggregate functions using the HAVING clause
Skills you'll practice
Details to know
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Taught in English
No downloads or installation required
Only available on desktop
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About this Guided Project
Learn step-by-step
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Retrieve data from the employees database
Retrieve data from the employees database using the COUNT function
Select distinct data from fields of a table and use the GROUP BY statement
Use the HAVING clause to set conditions on aggregate functions
Retrieve data from the employees database using the SUM function
Retrieve data from the employees database using the MIN & MAX functions
Retrieve data from the employees database using the AVG function
Use ROUND to tidy up the result set of aggregate functions
Recommended experience
Familiarity with querying databases using SQL SELECT statement
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How you'll learn
Skill-based, hands-on learning
Practice new skills by completing job-related tasks.
Expert guidance
Follow along with pre-recorded videos from experts using a unique side-by-side interface.
No downloads or installation required
Access the tools and resources you need in a pre-configured cloud workspace.
Available only on desktop
This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.
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Frequently asked questions
By purchasing a Guided Project, you'll get everything you need to complete the Guided Project including access to a cloud desktop workspace through your web browser that contains the files and software you need to get started, plus step-by-step video instruction from a subject matter expert.
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Guided Project instructors are subject matter experts who have experience in the skill, tool or domain of their project and are passionate about sharing their knowledge to impact millions of learners around the world.