Question: What would cause a relational schema for a database to contain more relation schemas than there are entity types?

What would cause a relational schema for a database to contain more relation schemas than there are entity types?

Step by Step Solution

★★★★★

3.44 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To conclude we can say that the difference is ... View full answer

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

Document Format (1 attachment)

Word file Icon

887-CS-DB (2152).docx

120 KBs Word File

Students Have Also Explored These Related Databases Questions!

Q:

Table 4-5 shows a shipping manifest. Your assignment is as follows: a. Draw a relational schema and diagram the functional dependencies in the relation. b. In what normal form is this relation? c....

Q:

Table 4-4 shows a relation called GRADE REPORT for a university. Your assignment is as follows: a. Draw a relational schema and diagram the functional dependencies in the relation. b. In what normal...

Q:

Table 4-5 shows a shipping manifest. Your assignment is as follows: a. Draw a relational schema and diagram the functional dependencies in the relation. b. In what normal form is this relation? c....

Q:

Project Specification: 1. Part A: Entity Relationship Diagram 1. Your first task is to study the Case study requirements and gather as much knowledge to list all the main Entities and attributes. 2....

Q:

Introduction This research paper mainly focuses on history of evolvement of normalization from a set of relation schemas, along with sequential normalization forms with suitable examples. This paper...

Q:

1. There are many teachers in a certain department and each teacher belongs to only one department. A department has any number of scientific research projects and each project is managed exactly by...

Q:

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Q:

Given Scenario: Treasure Hunters - An augmented reality Game In order to play the game, each player creates their account. They must choose a unique username, provide their name (first and last...

Q:

Symbols for Relational Algebra Expressions and Other Symbols - Symbols for relation schemas: R, S, T - Symbols for relations: R. 5, T - Symbols for Relational Asebra operators: ,,,,,,+,,,,,,,,D -...

Q:

Use ERDPlus to prepare the relational database schemas for 1d A university database must keep track of students' transcripts. The documentation for this database lists the following specifications:...

Q:

Miss Whyte had the following reported on her tax return in the previous year: Net employment income $20,000.00 Net rental income $7,000.00 Interest income $5,000.00 uneducated RRSP contributions nil...

Q:

You have just invested $3,000 into an account that will earn a 9% annual interest rate. You want to have $8,000 in the account at the end of 5 years. In order to have $8,000 at the end of year 5, how...

Q:

Current Attempt in Progress Cullumber Inc provided several entertainment services to Pina Colada Corporation in the past. On January 1 , 2 0 2 3 , when the receivable for the past services was due,...

Q:

Determine the median for the following numbers. 213 345 609 073 167 243 444 524 199 682

Q:

Consider the following two transactions: T 31 : read (A); read (B); If A = 0 then B: = B + 1; write (B). T 32 : read (B); read (A); If B = 0 then A: = A + 1; write (A). Add lock and unlock...

Q:

What benefit does strict two-phase locking provide? What disadvantages result?

Q:

What benefit does rigorous two-phase locking provide? How does it compare with other forms of two-phase locking?

Q:

In 1988 North Carolina switched from equal-weighted apportionment factors to a double-weighted sales apportionment factor in a (successful) attempt to entice Nabisco to build a large factory in North...

Q:

Let X1, . .., X30 be a random sample from a normal distribution with unknown mean / and known variance o = 3. Consider the following hypotheses: Ho : 1 = 1, H1 : / > 1. A sample @1, ..., @30 is...

Q:

(a) Overall, who gains and who loses? (b) What is the sum of gains and losses? (c) Anyone default in this futures example? Long is AAA Short is BBB \begin{tabular}{|c|c|c|} \hline Timet & Futures...