Question: Please write SQL Query for each statement below. BA likes to have a set of statistics about the system as follows: The most active seller

Please write SQL Query for each statement below. BA likes to have a set of statistics about the system as follows:

The most active seller (the one who has offered the most number of items)

The most active buyer (the one who has bought the most number of items)

The most expensive item sold ever

The most expensive item available

The cheapest item sold ever

The cheapest item available

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