This query refers to the stocksdb. (In MySQL, make sure you run the command - USE stocksdb;)(Aggregate Query)

Display the aggregate total number of stock transactions, the aggregate total of the number of shares traded, the aggregate total value of all stock transactions and the maximum value of stock transactions.

a) Show the SQL query.

b) List the results of the query. (You can "cut and paste" the query results; Otherwise, you can also type them, referring to the results of the query)