Question: 1) A tuple is a named column of a relation. True or False 2) Each attribute in a relation has a distinct name. True or

1) A tuple is a named column of a relation.

True or False

2) Each attribute in a relation has a distinct name.

True or False

3) The degree of a relation is the number of attributes it contains.

True or False

4) The degree of a relation is a property of the intension of the relation.

True or False

5) The cardinality of a relation is a property of the intension of the relation.

True or False

6) A foreign key is the candidate key that is selected to identify tuples

True or False

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:

The emf of the cell Bi|Bi2S3(s) IBi2S3(aq) IBi is -0.96 V at 25e. Calculate (a) The solubility product ofBi2S3 and (b) Its solubility. at310K?

Q:

CIS395 - BMCC - Spring 2018 02/07/2018 Homework 01: The Relational Mode Submission Deadline: Wednesday 02/14/2018 11:00 AM. True False -- A tuple is a named column of a relation. True False -- Each...

Q:

1456HHSC attend all (a) In the quantum teleportation protocol, Alice and Bob are every in possession of one qubit of a couple in the joint country00i + statei. Explain how the protocol works. In...

Q:

BUS 2110 Part 1: Paint Calculator 1. Open the workbook named Paint.xlsx, and save it as Paint Calculator_yourname.xlsx. Fill in the data into the worksheet from the table shown below. Include a...

Q:

GENERIC ERD Attribute1 AttributeA2 Attributeti AttributeB2 Entity Relationship Entity Symbolt Symbol2 if in the GENERIC ERD the Symbol 1 is >| and the Symbol2 is II, then the number of columns in the...

Q:

python jupyter error help. I don't know where I did wrong, need to debug. 2. San Francisco City Employee Salaries This exercise is designed to give you practice with using the Table methods and Here...

Q:

1 The relational database model is named after the mathematical term for a two - dimensional table. True O False 2 ) Consider the following table. The area in the red rectangle represents which data...

Q:

See page 129- 137 on attachment for more details there are five steps to the project. Step 1: Create the loan amortization schedule for the property. Step 2: Create the depreciation schedule. Step 3:...

Q:

1. The output of the following two Python codes is exactly the same. object 'a' CODE 1 >>> pickle.dumps('a', 3) CODE 2 >>> pickle.dumps(object, 3) a) True b) False 2. What will be the output of the...

Q:

Question 1 A database is a collection of raw data from both the internal and external sources. True False 1 pts attempts. Good luck! Teview exercise for Chapter 3. There are 20 questions that must be...

Q:

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

Q:

Step 1: Enter the following entries for the month of August. A. Purchased raw materials on account: $3,100. B. Selling and Administrative expenses incurred and paid: $1,200. C. Used direct materials:...

Q:

1. There are 5 dipoles located along the z axis. The current distribution along the z direction is given by where I(z) = To cos(kL/2) 2 J= 21(z-nd), n=-2 0; for z

Q:

3. Define a compensating balance. How should a compensating balance be reported?

Q:

social media D Question 37 1 pts Many businesses hire influencers. Selecting the right one is important. As discussed in class, which of the following is NOT a type of influencer: Celebrity...

Q:

1. Identify the sources for this conflict.

Q:

3. The group answers the questions.

Q:

4. If the answers are clear to all participants, then go to Step 5. If they are not, then ask those who are unclear about what was said exactly what they still find to be unclear. For example,...