Question: A ( n ) attribute is an attribute that have no value for at least one entity instances already defined.

A(n)
attribute is an attribute that have no value for at least one entity instances already defined.
A ( n ) attribute is an attribute that have no

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 Programming Questions!

Q:

An attribute that have a different value or no value at all for all entity instances already defined or to be defined in the future is named: single value required value optional value unique value

Q:

What is an optional attribute? Group of answer choices Each attribute value can describe zero entity instances. Each entity instance can have zero attribute values. Each attribute value describes at...

Q:

For this assignment, you will be building on M 4 Pro! I must point out however that what you ll be required to do here is somewhat different but having M 4 Pro done would certainly save you time. So...

Q:

A attribute is an attribute that may have the same value for two entity instances ( already defined or to be defined in the future ) .

Q:

A required attribute is an attribute that must have a value for all entity instances ( already defined or to be defined in the future ) . Right Wrong

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:

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:

Jim Watanabe, assistant director of IT for Petrie Electronics, and the manager of the No Customer Escapes customer loyalty system project, was walking down the hall from his office to the cafeteria....

Q:

Question 1: Please specify which concept the following symbols refer to in a digram of an entityrelationship model: (A) Rectangle (B) Oval (C) Diamond Question 2: In an E-R model of a university, is...

Q:

Task 1: Distance Map Requires: knowing how to design and implement a class In file distance_map.py, use the Class Design Recipe to define a class called DistanceMap that lets client code store and...

Q:

Gas A diffuses from point 1 to a catalyst surface at point 2 where it react as follows: 2A-3 B Gas B diffuses back a distance o to point 1 (a): Derive the equation for Na for a very fast reaction...

Q:

(a) What equal positive charges would have to be placed on Earth and on the Moon to neutralize their gravitational attraction? (b) Why don't you need to know the lunar distance to solve this problem?...

Q:

TEMA II: Estudias y trabajas? Gram tica Expressing Actions in the Present ( Part 1 ) 1 . 4 Present Tense of Regular - ar Verbs ACTIVIDADES A . Otras actividades diarias Complete each sentence or...

Q:

At the growth stage of the Product Life Cycle, there are Group of answer choices many competitors, many buyers, but profits have begun to fall many competitors, many buyers, and profits are peaking fe