Question: What type of relational database key has no null column values, and columns may be necessary for uniqueness

What type of relational database key has no null column values, and columns may be necessary for uniqueness

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:

Question 1 ( 2 points ) Listen Your cousin asks you to help her prepare for her computer science exam next week. She gives you two clues about a type of relational database key: No column values may...

Q:

Your cousin asks you to help her prepare for her computer science exam next week. She gives you two clues about a type of relational database key: No column values may be NULL, and columns must be...

Q:

Can someone please help/advice/any idea my term project! The term project for this course will be to design and construct a database that uses appropriate Transact SQL procedures and functions. The...

Q:

multiple choice 13. Which of the following statement is correct regarding internal control ? A) A well-designed and operated internal control environment should detect collusion perpetrated by two...

Q:

Hi, the following is for a relational database class. Any help would be appreciated, thanks! I have some answered selected, but not 100% if they're all right. Question Answer saved Points out of 5.00...

Q:

Question 1 A database is a collection of raw data from both the internal and external sources. True False 1 pts attempts. Good luck! Teview exercise for Chapter 3. There are 20 questions that must be...

Q:

Two answers from the below 20 are incorrect and I don't know which ones they are please help me. 1. A database is a collection of raw data from both the internal and external sources. True 2....

Q:

PART II Question 1: The diagram below (also attached in DBST651_final_part2_ERD.pdf ) is an ERD for an order entry database for a company. A customer orders products through company employee. Study...

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:

Part 1) Queries with Relational Algebra This part is to get you familiar with expressing queries in Relational Algebra and to further familiarize you with the tables used to implement the telephone...

Q:

Explain which of the following epoxide products is formed when the chlorohydrins reactant is treated with base.

Q:

Given two straight lines an equation of the line that is perpenduclar to both is Find B (x, y, z) = (9,4,6) +t(1,0,7), (z,y,z) := (9,4,6) +t(7,6,4) (x, y, z) = (9,4,6) + (-42, B, C). -

Q:

When a large number of buyers seek to purchase a firms product even when prices increase, porters force of

Q:

The bad guys in the equifax breach of 2 0 1 7

Q:

2-19 Describe the systems used by various management groups within the firm in terms of the information they use, their outputs, and groups served.

Q:

Discuss four ways the human resource (HR) department can collaborate with organizational management.

Q:

Discuss the history of human resource management (HRM).