Leetcode Problem 1683. Invalid Tweets

1683. Invalid Tweets

Leetcode Solutions

Filtering Invalid Tweets Based on Content Length

  1. Use the CHAR_LENGTH function to calculate the length of the content for each tweet.
  2. Apply a WHERE clause to filter out tweets where the content length is strictly greater than 15 characters.
  3. Select the tweet_id of the tweets that meet the condition specified in step 2.
  4. Return the result set containing the IDs of the invalid tweets.

erDiagram
    Tweets {
        int tweet_id PK
        varchar content
    }

Using Subquery to Identify Invalid Tweets

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