Question: Next, in cases where a foreign key serves as a part of the primary key for that relation, why does that relation require a multi

Next, in cases where a foreign key serves as a part of the primary key for that relation, why does that relation require a multi-attribute primary key?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

a . For each relation, identify which attribute ( s ) , if any, would be considered foreign keys. Explain your rationale. b . Next, in cases where a foreign key serves as a part of the primary key...

Q:

team, ributo olayed that a ongger a. Identify the candidate keys of each relation. b. Identify the primary key and any alternate keys of each relation. c. How many foreign keys does ench relation...

Q:

Serial Number (for bats) is unique only within a team. In the AFFILIATION relation, the Years attribute indicates that number of years that a player played on a team; the Batting Average is for the...

Q:

Grand Travel Airlines has to keep track of its flight and airplane history. A flight is uniquely identified by the combination of a flight number and a date. Every passenger who has flown on Grand...

Q:

- Serial Number (for bats) is unique only within a team. - In the AFFILIATION relation, the Years attribute indicates that number of years that a player played on a team; the Batting Average is for...

Q:

Super Baseball League Consider the following relational database for the Super Baseball League. It keeps track of teams in the league, coaches and players on the teams, work experience of the...

Q:

Super Baseball League Consider the following relational database for the Super Baseball League. It keeps track of teams in the league, coaches and players on the teams, work experience of the...

Q:

Consider the following relational database for Grand Travel Airlines. Grand Travel Airlines has to keep track of its flight and airplane history. A flight is uniquely identified by the combination of...

Q:

Consider the following relational database for Happy Cruise Lines. It keeps track of ships, cruises, ports, and passengers. A cruise is a particular sailing of a ship on a particular date. For...

Q:

Read the Colonial Adventure Tours Case in DMC Chap 1 (from Page 16 to Page 21) or the PDF file on myCourses. There are five relations in this case (Guide, Trip, Customer, Reservation, and...

Q:

In problems, solve the logistic differential equation representing population growth with the given initial condition. Then use the solution to predict the population size at time t = 3. y' = y(1-y),...

Q:

In your opinion, did the apparent mistakes made by the PwC auditors in auditing Take- Twos receivables and reserve for sales returns involve negligence on their part? Would you characterize the...

Q:

Question content area top Part 1 Which of the following describes the time value of money? Question content area bottom Part 1 A . The time value of money has no effect on the timing of capital...

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

If we asked your friends to list your best leadership qualities, what do you think they would say?

Q:

1. It is important to get along with everyone in organizations, even people you do not like.

Q:

What five characteristics do you consider your best leadership qualities or traits?