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Databases Reporting with SQL Aggregate and Numeric Functions Counting Groups

Posted by rajpal Saini
rajpal Saini
2,331 Points

cant find the solution for challenge task 2 of 2

In the library database there's a books table. There are id, title, author, genre and first_published columns.

Write a query to count all the unique genres in the books table. Alias it as total_genres.

Adele Cecere
Adele Cecere
4,093 Points

Hi Rajpal, this is the code that worked for me, SELECT COUNT (DISTINCT genre) AS total_genres FROM books;

1 Answer

Steven Parker
Steven Parker
231,184 Points
Steven Parker
Steven Parker
231,184 Points

You've copied the question but haven't shown your code.

Give this your best "good faith" try and if you still have trouble, post your code and we can help identify the issue(s).