SQLZOO——JOIN Quiz 2

最新推荐文章于 2022-10-22 13:43:01 发布
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#sql #mysql

这篇博客介绍了SQLZOO中的JOIN练习题，涵盖了亏损电影的导演、正确联接三张表的方法、名为'John'的演员按参演电影数量排序、在Ridley Scott导演的电影中主演的演员等知识点。通过实例解析了INNER JOIN的使用，以及movie和actor表的不同联接方式。

目录

 

1. Select the statement which lists the unfortunate directors of the movies which have caused financial loses (gross < budget)

2. Select the correct example of JOINing three tables 

3. Select the statement that shows the list of actors called 'John' by order of number of movies in which they acted

4. Select the result that would be obtained from the following code:

5. Select the statement that lists all the actors that starred in movies directed by Ridley Scott who has id 351

6. There are two sensible ways to connect movie and actor. They are:

7. Select the result that would be obtained from the following code

1. Select the statement which lists the unfortunate directors of the movies which have caused financial loses (gross < budget)

INNER JOIN 等同于 JOIN

2. Select the correct example of JOINing three tables 

movie表和actor表联结有两种方式联结，见本页第6题

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