Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Sep 26, 2024

Which of the following statements is not true for primary keys in a relational database system A . They must contain numeric data. B .

Which of the following statements is not true for primary keys in a relational database system

.

They must contain numeric data.

.

They can be part of relational integrity constraints.

.

They can be used to create relationships between tables.

.

They uniquely identify a row in a table.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Big Data Fundamentals Concepts, Drivers & Techniques

Authors: Thomas Erl, Wajid Khattak, Paul Buhler

1st Edition

0134291204, 9780134291208

More Books

Students also viewed these Databases questions

Question

★★★★★

Let A 1 , A 2 , . . . be an infinite sequence of events such that A 1 A 2 . . .. Prove that Consider the sequence A c 1 , A c 2 , . . . , and apply Exercise 12. Ai ) = limo Pr(An).

Answered: 1 week ago

Question

★★★★★

Do the data allow us to infer that house-holds with at least one union member (UNION: 1 = Respondent belongs, 2 = Spouse belongs, 3 = Both belong, 4 = Neither belong) differ from households with no...

Answered: 1 week ago

Question

★★★★★

=+3 Which employment laws and standards are most important for MNEs to pay attention to? Why?

Answered: 1 week ago

Question

★★★★★

On January 1, 2012, Cornell Corporation had these stockholders equity accounts. Common Stock ($10 par value, 70,000 shares issued and outstanding) ...$700,000 Paid-in Capital in Excess of Par Value...

Answered: 1 week ago

Question

★★★★★

Which of the following statements is not true for primary keys in a relational database system A . They must contain numeric data. B . They can be part of relational integrity constraints. C . They...

Answered: 1 week ago

Question

★★★★★

Imperial Jewelers manufactures and sells a gold bracelet for $407.00. The companys accounting system says that the unit product cost for this bracelet is $268.00 as shown below: Direct materials $...

Answered: 1 week ago

Question

★★★★★

Hit and trial method of balancing chemical equations through example

Answered: 1 week ago

Question

★★★★★

What happens when? (1) Potassium chloride undergoes thermal decomposition. Give the chemical equation. (1) Calcium carbonate reacts with hydrochloric acid. Give the chemical equation. (iii) Aqueous...

Answered: 1 week ago

Question

★★★★★

A farmer connects a cylindrical tank of 10m diameter and 2m deep built in his field to a canal through a pipe of internal diameter 20 cm. If water is flowing in the pipe at a speed of 3 km/h, then...

Answered: 1 week ago

Question

★★★★★

Water is flowing at a speed of 10 km/h in a canal 6m wide and 1.5 m deep. How much area will this canal be able to irrigate in 30 minutes, while 8cm deep water is required for irrigation.

Answered: 1 week ago

Question

★★★★★

A cylindrical bucket 32cm high and base radius 18cm is filled with sand. This bucket is emptied on the ground and a conical heap of this sand is made. The height of this conical heap is 24 cm. So...

Answered: 1 week ago

Question

★★★★★

What is the purpose of a Position Control Table? What relationships to other Compensation Tables would be important?

Answered: 1 week ago

Question

★★★★★

What Data Elements are usually found in the Job Family Table, and what is the relationship of the Job Family Table to the Occupation Table?

Answered: 1 week ago

Question

★★★★★

What is the relationship between the Internal Staff Compensation Target Table and the Internal Staff Compensation Data Table?

Answered: 1 week ago

Previous Question Next Question