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A bad user is one who never tweeted or retweeted. Write a query to find the usernames of bad users. Try using Not Exists. Tables
A bad user is one who never tweeted or retweeted. Write a query to find the usernames of bad users. Try using Not Exists.
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Database Marketing The Ultimate Marketing Tool
Authors: Edward L. Nash
1st Edition
0070460639, 978-0070460638
