/*CLASS EXCERCISES*/ /* PART 1: Understanding our data and handling Select statements */ /* 1.1 Open the Sales database. What tables do you see? */ /* 1.2 Open the Employees table. What attributes does the table contain? What kind of values can each attribute take? */ /*See the properties section*/ /* 1.3 Select all of the data in the Employees table. Afterwards, try to select only two attributes. */ /* 1.4 Select the first name and last name of every employee. Rename the attributes to f and l. */ /* PART 2: Select WHERE???*/ /* 2.1 Select the first and last name of every customer with the last name "Diaz". */ /* 2.2 Do the same selection as 2.1 but this time with the last name "diaz" (Note the lowercase). What does this tell you about MySQL's attention to capitalisation? */ /* 2.3 Select all customers with ID between 100 and 200 (exclusive). */ /* 2.4 Select all customers with ID below 100 or above 200 (inclusive). */ /* PART 3: Top performers Management wants to find the top performing employees of the quarter and reward them with a bonus. You are tasked to find the SalesPersonID of these top performers. * */ /* 3.1 From the Sales table, select the SalesPersonID of all sales in descending order of Quantity sold. */ /* 3.2 We only want to reward the salespeople who made the top 5 sales in terms of quantity sold. Find the SalesPersonID and Quantity of the salespeople who made the top 10 sales. */ /* 3.3 There seems to be something peculiar about the data. What do you notice? Devise a strategy to get the SalesPersonIDs of the salespeople who did the highest quantity sales. (There are many ways to do this and it may take several queries. */