[코드카타] SQL 20 Invalid Tweets

[코드카타] SQL 20 Invalid Tweets

20. Invalid Tweets
https://leetcode.com/problems/invalid-tweets/

The tweet is invalid if the number of characters used in 
the content of the tweet is strictly greater than 15.
Return the result table in any order.

select tweet_id
from tweets
where length(content) > 15

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