In the spreadsheet model shown below, an analyst makes the following data entries. Cell B3 B4 B5 B6 Value 110,000 83,000 82,000 92,000 C. 1 Revenue Change (%) n/a =(84-B3)/83 =(B5-B4)/B4 =(86-B5)/B5 2 Month Revenue 3 January 4 February 5 March 6 April

SQL Data Manipulation Database tables are: Hospital hospitalNo name city 1493 Cambridge St Boston capacity Cambridge Mount Sinai 2 East 101st St H117 600 H120 New York 700 ******** ******* ******* Doctor doctorNo salary hospitalNo specialty Cardiologist Neurologist name Robert Donald Xin Wang D201 180000 H117 D205 225000 H120 Patient | age phoneNo 617-482-5801 212-353-1463 patientNo name doctor P366 Arthur Gluck 72 D201 P351 Lisa Hershman 46 D205 ****

LUNCH SALES Days of Week Lunch Sold Qty Unit Price Total Sold Monday Chicken 25 15.00  $      375.00 Monday Pork 15 20.00  $      300.00 Monday Fish 20 25.00  $      500.00 Tuesday Mutton 15 23.00  $      345.00 Tuesday Fish 30 25.00  $      750.00 Wednesday Chicken 55 15.00  $      825.00 Thursday Turkey 45 18.00  $      810.00 Friday Turkey 60 18.00  $   1,080.00 Saturday Chicken 15 15.00  $      225.00 Saturday Mutton 45 23.00  $   1,035.00 Saturday Fish 55 25.00  $   1,375.00 Saturday Turkey 50 18.00  $      900.00 Saturday Pork 20 20.00  $      400.00 Sunday Fish 55 25.00  $   1,375.00 Sunday Mutton 35 23.00  $      805.00 Sunday Chicken 30 15.00  $      450.00               #NAME?           Fruit # of Days Sold Total Sold Sum of Total Sold       Chicken             Mutton             Fish             Turkey             Pork                           Instructions: (Fill in the columns of the "Calculations Table")       1.…

Create a relational model with foreign and primary keys

Question 4 Say you bought as many whole shares of AMZN stock as you could with $4,383 at the Close price on the first trading day in the month of July each year from 2001 until 2010. How many total shares did you purchase? Your answer should be a whole number.

Build a relational model for the following ER schema

Consider the following ER diagram. Attribute 'Code' is an example of a for entity FARE. Airport_code City State Name AIRPORT Company M CAN_ LAND N Type_name Max_seats AIRPLANE TYPE TYPE N Airplane_id AIRPLANE Seat_no SEAT Scheduled_dep_time Dep_time Total_no_of_seats Customer_name DEPARTS N N ASSIGNED DEPARTURE AIRPORT N ARRIVES ARRIVAL AIRPORT RESERVATION N Cphone Scheduled_arr_time Arr_time N N INSTANCE_OF Instances N Number Airline Weekdays Restrictions Amount Code No_of_avail_seats LEG_INSTANCE Date Leg_no FLIGHT LEG N LEGS FLIGHT 1 FARES N FARE Notes: A LEG (segment) is a nonstop portion of a flight A LEG_INSTANCE is a particular occurrence of a LEG on a particular date.

Identify the class of entity represented by each of the lettered symbols in the REA model.