Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Databases Reporting with SQL Aggregate and Numeric Functions Counting Results

Why my answer is not correct?

I write: SELECT COUNT(*) FROM books AS 'scifi_book_count' WHERE genre = "Science Fiction";

But it is still showing incorrect answer. Why?

1 Answer

Steven Parker
Steven Parker
217,519 Points

You're close, but putting an alias after a FROM clause creates a table alias. What you want here is a column alias, which is part of the SELECT clause:

SELECT COUNT(*) AS "scifi_book_count" FROM books WHERE genre = "Science Fiction";