IshaSQL
Foundations Track · Easy · 15 min
Invalid Tweets
Table: Tweets +----------------+---------+ | Column Name | Type | +----------------+---------+ | tweet_id | int | | content | varchar | +----------------+---...
Company labels are directional practice context, not official interview guidance.
Objective
Practice filtering through a IshaSQL-tagged business scenario.
Approach
Use this track to lock in clean query structure, basic filtering logic, and confidence with grouped output.
Company context
Company labels are directional practice context, not official interview guidance.
Table: Tweets +----------------+---------+ | Column Name | Type | +----------------+---------+ | tweet_id | int | | content | varchar | +----------------+---------+ tweet_id is the primary key (column with unique values) for this table. content consists of alphanumeric characters, '!', or ' ' and no other special characters. This table contains all the tweets in a social media app. Write a solution to find the IDs of the 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 . The result format is in the following example. Example 1: Input: Tweets table: +----------+-----------------------------------+ | tweet_id | content | +----------+-----------------------------------+ | 1 | Let us Code | | 2 | More than fifteen chars are here! | +----------+-----------------------------------+ Output: +----------+ | tweet_id | +----------+ | 2 | +----------+ Explanation: Tweet 1 has length = 11. It is a valid tweet. Tweet 2 has length = 33. It is an invalid tweet.
Tweets
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