Question: Single-select QuestionReferential integrity means that: A. You cannot have NULL values in the FK B. The value of the FK of a table can be

Single-select QuestionReferential integrity means that:

A.

You cannot have NULL values in the FK
B.

The value of the FK of a table can be NULL or reference to an existing value of the PK in the parent table
C.

The value of the FK of a table can be NULL but does not need to reference to an existing value of the PK in the parent table
D.

None of the above

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:

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:

Please complete the following Together in one window of SQL management studio. Part 2 : Creating the COMPANY database schema using DDL and DML statements. Make sure to understand all the...

Q:

Create an EER diagram using MySQL Workbench (Crow's Foot Notation) to support the described business scenario and its operations. After, translate the diagram into a DB schema consisting of tables...

Q:

I need help with answering all of the following questions pleas let me know if you need more info the dlist file that was provided section 4 and on questions please help and answer each part thank...

Q:

Starter Text File: create table Worker ( WID number (9) Constraint pk_Wkr primary key, First_Name varchar2 (30) constraint nn_FN not null, Last_Name varchar2 (30) constraint nn_LN not null, MI...

Q:

DATABASE MANEGMENT SYSTEMS Lab: Using SQL Developer (Individual Assignment) Objective: Creating/populating tables using SQL commands in SQL Developer Learning how to add referential integrity and...

Q:

Questions and resources are attached in the document. Assignment is regarding about Financial Accounting Theory. ACCT1080 Financial Accounting Theory Topic Allocations Topic of investigation...

Q:

Code needed for last two pages using primary and foreign key Creating a Relational Database Schema from ER Diagram and Populating the Database 1. BEFORE adding any PK Constraint or PK-FK Constraints...

Q:

10/29/2015 Week 6 Assignment YINWEI LIU CED 6030, section 02, Fall 2015 Instructor: He Wang WebAssign Week 6 Assignment (Homework) Current Score : - / 114 Due : Wednesday, November 4 2015 11:59 PM...

Q:

FK values A) Must be a number. B) Can be NULL C) Need not be unique D) must be a character CEO of IBM wants to put data access restrictions on some of its employees. What would be the best way to do...

Q:

A set E in [a, b] is said to be (Lebesgue) measurable if its characteristic function 1E (defined by 1(x) := 1 if x E and 1(x) := 0 if x [a, b]\E) belongs to M[a, b]. We will denote the collection...

Q:

Pick a social problem is defined as an issue that negatively affects a person's state of being in society. You want to explain your problem in detail. This includes defining the problem and providing...

Q:

These types of arms deals are used by large numbers of individual buyers who wish to buy small amounts of arms. marketplace gray market one - time repeat

Q:

1a-3 E7-11 (Algo) Evaluating the Choice among Three Alternative Inventory Methods Based on Income and Cash Flow Effects LO7-2, 7-3 Daniel Company uses a periodic inventory system. Data for the...

Q:

2. Employees understand specific skills that will be developed by rotation.

Q:

4. Job rotation is linked with the career management process so employees know the development needs addressed by each job assignment.

Q:

6. All employees have equal opportunities for job rotation assignments, regardless of their demographic group.