Question: A _ _ _ _ key is defined as a key that is used strictly for the retrieval of a group of entity - instances

A ____ key is defined as a key that is used strictly for the retrieval of a group of entity-instances from the table containing the key.

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:

MULTIPLE CHOICE QUESTIONS 1. Nulls, if used improperly, can create problems because they can represent ____. a. a default value b. a known, but missing, attribute value c. zero d. an unsortable value...

Q:

pataen Multiple choice quetions (olease pick only one answer) 1. Which is correct about a propects critcal path iaccording to the project plan)? a it is the shortest time in which the project can be...

Q:

A _ _ _ _ _ key is defined as a key that is used strictly for data retrieval purposes. Group of answer choices lookup foreign candidate secondary

Q:

"2. Revenue Recognition for Software (25 points) a. A software vendor sold $300,000 software to a customer. The price includes the software (no addition development or modification needed), the...

Q:

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

Q:

Solving Two-stage Robust Optimization Problems by A Constraint-and-Column Generation Method Bo Zeng Department of Industrial and Management Systems Engineering University of South Florida, Email:...

Q:

Lets illustrate these table concepts by representing the data for a simple healthcare example. Consider an emergency department (ED) that has some known data concerning how patients of various...

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:

needed a bit of help on the ones I got wrong or why I got them wrong I wasnt given an ER diagram to do this. this was all the information I received. Question 1 0/2 points In order to be used as a...

Q:

I have to create a program in C and I can't figure it out. The program has to read a source file. Please help. /******************************************************************** PROJECT: Glossary...

Q:

A company that organizes musical events acquires professional sound equipment worth $87,000.00. He estimates that its useful life will be three years before it must be replaced with more modern...

Q:

2x2 +3x + 1 will cross its horizontal asymptote. Find the point where the graph of f(x) : x2 1 Graph will cross horizontal asymptote at (-1, 2) Graph will cross horizontal asymptote at (-1, 0) Graph...

Q:

Describe and discuss the major characteristics of common and preferred stock. Describe the process by which common stock is issued in primary stock markets. Explain the three forms of market...

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

3. Describe the strategic training and development process.

Q:

10. Microsoft Corporation

Q:

4. EMC Corporation