Question: Describe two properties that each candidate key must satisfy.

Describe two properties that each candidate key must satisfy.

Step by Step Solution

★★★★★

3.30 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a Unique identification For every row th... 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

613-CS-DB (1711).docx

120 KBs Word File

Students Have Also Explored These Related Databases Questions!

Q:

Consider the universal relation schema INVENTORY (Store#, Item, Vendor, Date, Cost, Units, Manager, Price, Sale, Size, Color, Location) and the constraint set F {fd1, fd2, fd3, fd4, fd5, fd6, fd7}...

Q:

Describe a primary key, candidate key, secondary key, foreign key, and a combination key. Use your imagination to provide an example of each key that is not in the textbook.

Q:

What is a candidate key? How does a candidate key differ from a superkey?

Q:

Describe two properties that each candidate key must satisfy.

Q:

Describe two properties that each candidate key must satisfy.

Q:

What are the properties that a candidate key must satisfy?

Q:

Banner ID: Name 7.can be considered a process of analyzing the given relation schemas _i based on their FDs and primary keys to achieve the desirable properties of 1) minimizing redundancy and 2)...

Q:

1 2 - A relation that contains no multivalued attributes and has non - key attributes solely dependent on the primary key but contains transitive dependencies is in which normal form? a ) first b )...

Q:

1 2 - A relation that contains no multivalued attributes and has non - key attributes solely dependent on the primary key but contains transitive dependencies is in which normal form? a ) first b )...

Q:

mandatory access control (MAC) and non-discretionary (role-based) access control (Non-DAC). REVIEW QUESTIONS 1. With examples, discuss three primary vulnerabilities and their solutions to be taken in...

Q:

For a linear system with input x(t) and output y(t) find the impulse response for the following cases: (a) x(t) = eat u(t), y(t) = u(t) - u( - t) (b) x(t) = et u(t), y(t) = e2t u(t) (c) x(t) = (t),...

Q:

The MINITAB output of a simple linear regression analysis of the data set for this case (see Exercise 13.4) is given in Figure 13.11. Recall that a labeled MINITAB regression output is on page 535....

Q:

what percentage of total market value invested do hedge funds represent versus

Q:

If the farm adopted a new technology, which allows it to use fewer resources to fatten chickens, explain how the farms production possibilities will change. Explain how the opportunity cost of...

Q:

In multiple-granularity locking, what is the difference between implicit and explicit locking?

Q:

Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no use. Why is it useless?

Q:

Use of multiple-granularity locking may require more or fewer locks than an equivalent system with a single lock granularity. Provide examples of both situations, and compare the relative amount of...

Q:

The balance sheet and income statement for Blossom Supply Company for the fiscal year ended June 30, 2017 is as follows. Blossom Supply Company Income Statement for the Fiscal Year Ended June 30,...

Q:

The Litzenberger Company has projected the following quarterly sales amounts for the coming year: Q1 $ 770 Q2 $ 800 Q3 $880 04 $ 960 Sales a. Accounts receivable at the beginning of the year are...

Q:

need help with question? Problem 3: [20pts] Let X be a single observation from a Cauchy(0) distribution which means that X - 0 follows a standard Cauchy distribution. Consider the testing problem Ho...