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

Instructor: Arimoro Olayinka Imisioluwa
Access provided by SRM Institute of Science and Technology
5,245 already enrolled
(79 reviews)
Recommended experience
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
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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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79 reviews
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Reviewed on Jan 11, 2021
Class was good. I couldn't find the answer to one of the quiz questions even after going back to the lesson referring to it.
Reviewed on Jun 23, 2022
Instructor was very good and covered topics quickly and thoroughly
Reviewed on Dec 29, 2020
A complete and easy to understand course on SQL aggregate function.
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