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Old vs New Movies | Aggregating Data
Practice SQL with Cinema Database
course content

Course Content

Practice SQL with Cinema Database

Practice SQL with Cinema Database

1. Aggregating Data
2. Ordering Data
3. Join Data

bookOld vs New Movies

Task

Explore which movies have better average rating: created in the 20th or in the 21st century? Output rows with two columns: average rate and number of century. Two rows in total - for 20th and 21th century.

Name the columns avg and century.

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Section 1. Chapter 2
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bookOld vs New Movies

Task

Explore which movies have better average rating: created in the 20th or in the 21st century? Output rows with two columns: average rate and number of century. Two rows in total - for 20th and 21th century.

Name the columns avg and century.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 1. Chapter 2
toggle bottom row

bookOld vs New Movies

Task

Explore which movies have better average rating: created in the 20th or in the 21st century? Output rows with two columns: average rate and number of century. Two rows in total - for 20th and 21th century.

Name the columns avg and century.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Task

Explore which movies have better average rating: created in the 20th or in the 21st century? Output rows with two columns: average rate and number of century. Two rows in total - for 20th and 21th century.

Name the columns avg and century.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 1. Chapter 2
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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