Question: It is sometimes suggested that a relvar is really just a traditional computer file, with tuples instead of records and attributes instead of fields. Discuss.

It is sometimes suggested that a relvar is really just a traditional computer file, with “tuples” instead of records and “attributes” instead of fields. Discuss.

Step by Step Solution

★★★★★

3.50 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

We might agree that a tuple does resemble a record ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

CS-DB (47).docx

120 KBs Word File

Students Have Also Explored These Related Databases Questions!

It is sometimes suggested that the Fed should try to achieve zero inflation. If we assume that velocity is constant, does this zero-inflation goal require that the rate of money growth equal zero? If...

It is sometimes suggested that stocks with low priceearnings ratios tend to be under priced. Describe a possible test of this view. Be as precise as possible.

It is sometimes suggested that firms should follow a residual dividend policy. With such a policy, the main idea is that a firm should focus on meeting its investment needs and maintaining its...

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

Predictive text entry systems are familiar on touch screens and mobile phones. This question asks you to consider how the same principles might be used in a programming editor for creating Java code....

.I SELECTED ! Schedule D:Net Long-Term Capital Gains or Losses only its a team work. I need in 3-4 just just scehdule D I. Title: Preparation of a Corporate Income Tax Return Using IRS Form 1120 II....

This text was adapted by The Saylor Foundation under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License without attribution as requested by the work's original creator or licensee....

Read Chapter 6 of the book "How to measure anything". Now, write a letter to Mr. Williams, starting with the following statement: "Mr. Williams, currently you work with categorical risk metrics...

hi there! i need help with these questions under the module: Work, Health, Safety & Wellbeing. QUESTION 1 Refer to the air safety example in the Hopkins (1995) reading, 'Whose responsibility?' What...

There are two problems due this week (each worth 35 points) as follows. Problem 1.6 (page 20) In comprehensive paragraphs, answerrequirements a to e. You will have 5 paragraphs total of four to five...

Which of the following related to Transfer payment? Payment made to housewife O All the above O wear and tear cost O Pocket money to children

Imagine you are working in a small agency in a small town. What are a few tangible ways that you could change your practice so that it is accommodating for potential LBGTQ clients (ex. waiting room,...

Discuss the extent to which high rates of population increase; a high rate of economic growth and high employment are appropriate objectives in Australia at this point in time? [20 marks].

A person at rest inhales 0.50 L of air with each breath at a pressure of 1.00 atm and a temperature of 20.0C. The inhaled air is 21.0% oxygen. (a) How many oxygen molecules does this person inhale...

Assume that firms U and L are in the same risk class, and that both have EBIT = $500,000. Firm U uses no debt financing, and its cost of equity is rsU = 14%. Firm L has $1 million of debt outstanding...

For diatomic carbon dioxide gas ( CO2, molar mass 44.0 g/mol) at T = 300 K, calculate (a) The most probable speed Ump; (b) The average speed Uav (c) The root-mean-square speed Urms.

A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.40 M. After a time of 4.00 s the voltmeter reads 3.0 V. What are? (a) The...

The conditions of standard temperature and pressure (STP) are a temperature of 0.00C and a pressure of 1.00 atm. (a) How many liters does 1.00 mol of any ideal gas occupy at STP? (b) For a scientist...

Occasionally, a government official will argue that a country should strive for both a trade surplus and a healthy inflow of capital from abroad. Is this possible?

Implied growth. An analyst is investigating the potential growth rates in residual income of companies in the technology sector. He collects the following data on Lesta Corp., a manufacturer of...

An oil-drilling company must choose between two mutually exclusive extraction projects, and each requires an initial outlay at t = 0 of $12.6 million. Under Plan A, all the oil would be extracted in...

Question 14 5 pts You can choose to invest in one of the following 2 bonds: If you firmly expect market rates to decline from 2.5% to 2%, which bond should you best buy? Any of these One cannot say B...