Exploring nationality and gender of actors

For each movie in the database, the three most important actors are identified and listed in the table actors. This table includes the nationality and gender of the actors. We are interested in how much diversity there is in the nationalities of the actors and how many actors and actresses are in the list.

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Data-Driven Decision Making in SQL

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Oefeninstructies

Count the number of actors in the table actors from each country, the number of male and female actors and the total number of actors.

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

SELECT 
	___ -- Select nationality of the actors
    ___ -- Select gender of the actors
    ___ -- Count the number of actors
FROM actors
GROUP BY GROUPING SETS ((___), (___), (___)); -- Use the correct GROUPING SETS operation

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