Which of the following can be addressed by enforcing a referential integrity co

Question

Which of the following can be addressed by enforcing a referential integrity constraint?

Options:

A . All phone numbers must include the area code

B . Certain fields are required (such as the email address, or phone number) before the record is accepted

C . Information on the customer must be known before anything can be sold to that custome

D . When entering an order quantity, the user must input a number and not some text (i.e., 12 rather than 'a dozen')

Answer: Option C

Information on the customer must be known before anything can be sold to that customeThe information can be referred and obtained .

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in ....with at most one entity in A.This is called as

Question 2. An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (....with any number (zero or more) of entities in A.

Question 3. Data integrity constraints are used to ....

Question 4. ______ is a special type of integrity constraint that relates two relations & maintains consistency across the relation....that relates two relations & maintains consistency across the relations.

Question 5. Which one of the following uniquely identifies the elements in the relation? ....

Question 6. Establishing limits on allowable property values, and specifying a set of acceptable, predefined options that can be as....that can be assigned to a property are examples of:

Question 7. Which of the following can be addressed by enforcing a referential integrity constraint? ....

Question 8. Drop Table cannot be used to drop a table referenced by a _________ constraint. ....

Question 9. ____________ is preferred method for enforcing data integrity ....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0