Conteúdo do Curso
SQL Intermediário
SQL Intermediário
Prática de Junção de Tabelas
In this task, you'll need to use a different type of JOIN, or you can use the same one you used in the previous chapter, as long as you get the correct result.
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Write a query to retrieve a list of all students and the courses they are enrolled in, including students who are not enrolled in any course.
Use an appropriate type of JOIN and use the columns in the following order:
As you can see, there are no aliases here, so do not use them to ensure the task is correctly evaluated.
Brief Instructions
- Retrieve the necessary columns from the
coursestable. - Use a RIGHT JOIN to join the
enrollmentstable. - The common column for both tables is
enrollments.course_id = courses.course_id.
Solução
Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixoObrigado pelo seu feedback!
Prática de Junção de Tabelas
In this task, you'll need to use a different type of JOIN, or you can use the same one you used in the previous chapter, as long as you get the correct result.
Swipe to show code editor
Write a query to retrieve a list of all students and the courses they are enrolled in, including students who are not enrolled in any course.
Use an appropriate type of JOIN and use the columns in the following order:
As you can see, there are no aliases here, so do not use them to ensure the task is correctly evaluated.
Brief Instructions
- Retrieve the necessary columns from the
coursestable. - Use a RIGHT JOIN to join the
enrollmentstable. - The common column for both tables is
enrollments.course_id = courses.course_id.
Solução
Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixoObrigado pelo seu feedback!
Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo