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Practice SQL with Cinema Database
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Practice SQL with Cinema Database

Practice SQL with Cinema Database

1. Aggregating Data
Cinema's databaseOld vs New MoviesThe Best & Worst MoviesBest Selling MoviesMovie for PhoebeTop-3 Most Selling GenresMovies in 5th CinemaMovies Rating
2. Ordering Data
Cinema for MaryJames Cameron Movies SalesMost Popular GenresMovies for GeorgeThe Best GenreSales of Genres in CitiesSales Based on Rating
3. Join Data
Top-3 Selling MoviesCinema for MargotCinemas Like 'Central'Rating of DirectorsDirectors IncomeManagers IncomeTwo Most Popular Movies

Old 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.

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 desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 1. Chapter 2
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Old 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.

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 desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 1. Chapter 2
toggle bottom row

Old 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.

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 desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

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