SQL · Meta · Easy
The database contains a table named calls, in which each row stands for one telephone call that was placed: Column Type Meaning call_id integer unique identifier for the call sender_country text the country the caller was dialing from pickup_flag integer 1 when the receiver picked the call up, 0 when the call went unanswered Write a single SQL query that reports, for callers located in India, what share of their calls ended up being picked up. The query receives no arguments…
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