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Returning tables and sets
10. Exercise 2


Great job! Give this one a try.


Create a new function that returns the name of the topic with the most posts along with the actual number of posts in that topic.

The function will be named get_most_popular_topic() and should have two OUT parameters:

  • OUT topic_name varchar.
  • OUT count_of_posts bigint.

Stuck? Here's a hint!

You can use RETURNS SETOF record along with the RETURN QUERY statement and OUT parameters.