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Databases Reporting with SQL Aggregate and Numeric Functions Counting Groups

GROUP OF ROWS SQL

SQL is driving me crazy today. I am just missing something. Please help

**challenge*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.

Type in your command below, then press Ctrl-Enter.

Bummer: There's something wrong with your SQL statement. Please review your code and try again. genre,

***my answer

SELECT genre, COUNT (DISTINCT genres) AS "total_genres" FROM books;

1 Answer

  1. You should select just the count, not the genre too.
  2. The genres in COUNT (DISTINCT genres) should just be genre.