Describe what intersection data is and what it describes

Assignment Help Basic Computer Science

Reference no: EM131269940

1. In your own words, describe how foreign keys are used to set up one-to-many binary relationships in relational databases.

2. Describe why an additional relation is needed to represent a many-to-many relationship in a relational database.

3. Describe what intersection data is, what it describes, and why it does not describe a single entity.

Reference no: EM131269940

Questions Cloud

What is the candidate key of this relation : Each owner can own more than one vehicle. The other attributes are not unique. What is/are the candidate key(s) of this relation? If there is more than one candidate key, choose one as the primary key and indicate which is/are the alternate key(s)..

Identify the type of internet access that you use at home : Identify the type of Internet access that you use at home or in school. Discuss the pros and cons of the service available within your area. Justify your response.

The matrix design for organizations : In Chapter 12 of the textbook and the related video, we find the terms "Matrix Organization" and "Matrix Design." Discuss the advantages and disadvantages of the matrix design for organizations.

Find the total production in the first year of operation : Use an appropriate definite integral to find the total production (to the nearest thousand barrels) in the first year of operation.

Describe what intersection data is and what it describes : Describe why an additional relation is needed to represent a many-to-many relationship in a relational database.

What do you feel is the driving force of terrorism : What do you feel is the driving force of terrorism in the 21st century (e.g., power and frustration, religious principle)? Give examples to support your reasoning.

What are the characteristics of a candidate key : What are the characteristics of a candidate key?

Explain the importance of getting innovative new products : Explain the terms, vertical and horizontal channel conflict and explain the importance of getting innovative new products to market quickly.

Determine the value of an american call option on blackberry : Finance 6301 Financial Management Fall 2016 Assignment. use the Black-Scholes model to determine the value of an American call option on Blackberry Computer with 9 months to expiration and a $70 strike price

User Account

All Pages