Computers and Technology, 02.04.2020 16:23 milkshakegrande101
1. Identify the entities and their relationships. Then create an ERD for the reservations system.
2. Create 3NF table designs for the system.
3. For each of the entities identified, design tables and identify the possible candidate keys, the primary key, a probable foreign key, and potential secondary keys.
4. Use sample data to populate the fields for three records.
Data items must include reservation number, Route Number, Date, Origin, Destinations, Departure Time, Arrival Time, Passenger Name, and Seat Number. For example, Route 97 leaves Monroe, VA, daily at 8:00 a. m. and arrives in Spencer, VA, 100 miles away, at 11:00 a. m. Scenic wants to use an alphabetic reservation code, similar to the codes that airlines use.
Answers: 2
Another question on Computers and Technology
Computers and Technology, 21.06.2019 16:00
Choice of type is influenced primarily by these two factors?
Answers: 3
Computers and Technology, 22.06.2019 22:00
What is a distinguishing feature of today’s graphic application software?) graphic applications are used today on a variety of devices, including touch-screen kiosks and mobile phones.
Answers: 3
Computers and Technology, 24.06.2019 04:10
Write a program that reads a set of floating-point values. ask the user to enter the values, then print • the average of the values. • the smallest of the values. • the largest of the values. • the range, that is the difference between the smallest and largest. of course, you may only prompt for the values once.
Answers: 3
Computers and Technology, 24.06.2019 14:30
Two students are discussing the flow of electricity. student a says that voltage is a measure of the amount of electron flow in a circuit. student b says that power is the product of voltage and current. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct
Answers: 1
You know the right answer?
1. Identify the entities and their relationships. Then create an ERD for the reservations system.
Questions
Mathematics, 17.03.2020 01:34
Mathematics, 17.03.2020 01:34
English, 17.03.2020 01:34
Social Studies, 17.03.2020 01:34
Mathematics, 17.03.2020 01:34
Mathematics, 17.03.2020 01:34
Biology, 17.03.2020 01:35
