Question: Which conditions must hold in order for a table to be a relation?

Which conditions must hold in order for a table to be a relation?

Step by Step Solution

★★★★★

3.44 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Each column must have a name Within one table each column name must be unique Wit... 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

623-CS-DB (1104).docx

120 KBs Word File

Students Have Also Explored These Related Databases Questions!

Q:

Use the following description of the operations of the RC_Charter2 Company to complete this exercise. ยข The RC_Charter2 Company operates a fleet of aircraft under the Federal Air Regulations...

Q:

Create the initial ER diagram for a video rental shop. Use (at least) the following description of operations on which to base your business rules. The video rental shop classifies movie titles...

Q:

A compare-exchange operation on two array elements A[i] and A[j], where i A[j] 2 exchange A[i] with A[j] After the compare-exchange operation,...

Q:

Review Questions Q 3 . 1 Which conditions must hold in order for a table to be a relation Q 3 . 2 What is a primary key? Q 3 . 3 How is a regular entity with regular attributes mapped into a r Q 3 ....

Q:

Review Questions Q 3 . 1 Which conditions must hold in order for a table to be a relation? Q 3 . 2 What is a primary key? Q 3 . 3 How is a regular entity with regular attributes mapped into a...

Q:

The Dividend Discount model requires several conditions to hold in order to be valid. One such condition requires , if this condition does not hold the computed price will be negative or undefined....

Q:

The Dividend Discount model requires several conditions to hold in order to be valid. One such condition requires ,[] if this condition does not hold the computed price will be negative or undefined....

Q:

Waterloo Warehouse Ltd. (WWL) acts as a distributor for a product manufactured by Norwich Company. WWL uses an (s, Q) type of control system. Demands on Waterloo can be assumed to be unit sized....

Q:

Which of the following conditions must hold in order to have a principal - agent problem? Multiple Choice Complete contracts effectively restrain managers from making value - reducing decisions. The...

Q:

An environmental research firm wants to estimate the proportion of cars in Jackson County Missouri that are SUV's. Using the county's vehicle registration records they randomly select 220 vehicles....

Q:

1: Develop Workplace Policy and Procedures for Sustainability 1.1 Develop workplace sustainability policy 12 Communicate workplace sustainability policy 13 Implement workplace sustainability policy...

Q:

Given below are the costs and activity observations for Ncwin Company's maintenance costs. March April May Fixed costs for maintenance Cost $11,250 $4,550 Units Produced $3,750 $2,650 $130,000 25,000...

Q:

Prepare a written report of personal information that would be helpful to you and your heirs. Be sure to include the location of family records, your military service file, and other important...

Q:

The seminal paper on the topic of adverse selection (in the literature of economics) is Akerlofs The Market for Lemons. He describes a used-car market in which each used car that is worth X to its...

Q:

Describe the circumstances in which you would choose to use embedded SQL rather than SQL alone or only a general-purpose programming language.

Q:

Consider the insurance database of Figure, where the primary keys are underlined. Construct the following QBE queries for this relational-database. a. Find the total number of people who owned cars...

Q:

Consider the employee database of Figure. Give expressions in QBE, and Datalog for each of the following queries: a. Find the names of all employees who work for First Bank Corporation. b. Find the...

Q:

1.) Suppose it is reported that 30% of cars on the road are speeding. You take a random sample of 100 cars and find 40 are speeding. What is the value of p^? (Note p^ stands for p-hat.) a) .30 b) .40...

Q:

A study was conducted by Monsanto Company to determine the relationship between the percentage of supplemental methionine used in feed and the body weight of the poultry. Using the data collected in...

Q:

B. J. Gautney Enterprises is evaluating a security. One-year Treasury bills are currently paying 4.5 percent. Calculate the investment's expected return and its standard deviation. Should Gautney...