SQL exercises on movie Database: Find the name of all reviewers who have rated their ratings with a NULL value
SQL movie Database: Join Exercise-1 with Solution
1. Write a query in SQL to find the name of all reviewers who have rated their ratings with a NULL value.
Sample table: reviewer
Sample table: rating
SELECT rev_name FROM reviewer INNER JOIN rating USING(rev_id) WHERE rev_stars IS NULL;
rev_name -------------------------------- Neal Wruck Scott LeBrun (2 rows)
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