Audio Chat Success

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An online marketplace company has introduced a new feature that allows potential buyers and sellers to conduct audio chats with each other prior to transacting.

Let’s say we have two tables that represent this data.

Example:

Input:

chats table

Column Type
id INTEGER
buyer_user_id INTEGER
seller_user_id INTEGER
call_length INTEGER
call_connected INTEGER

marketplace_purchases table

Column Type
id INTEGER
buyer_user_id INTEGER
seller_user_id INTEGER
item_id INTEGER
purchase_amount FLOAT
  1. How would you measure the success of this new feature?
  2. Write a query that can represent if the feature is successful or not.
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Ichimoku
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Fibonacci
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I
Ichimoku
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F
Fibonacci
Sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et

quasi architecto beatae vitae dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est