User Account

All Pages

Relation schema-relational database schema

Assignment Help Basic Computer Science
Reference no: EM131218993

Define the following terms: relation schema, relational database schema, domain, attribute, attribute domain, relation instance, relation cardinality, and relation degree.

Reference no: EM131218993

Questions Cloud

Demands of process strategic planning : If the CIO is to be valued as a strategic actor, how can he bring to the table the ethos of alignment, bound to the demands of process strategic planning to move IT to the forefront of the organization's future?
What advantage of not starting family until a woman turns 35 : Research shows that women are waiting until they are older to begin having babies compared to previous years. Marsha and Liam married when she turned 33, and started trying to conceive when she was 35. After a year of trying, they have decided to ..
Design a discrete time matched filter for the cosine signal : Design a discrete-time matched filter for the cosine signal.  - Filter the signal plus noise sequence with the matched filter.  - At what sample value does the filter output peak.
Declared and assigned some integer values : Assume that a boolean variable named a has been declared and assigned the value true or false. You should also assume that two hint variables named b and c have been declared and assigned some integer values.
Relation schema-relational database schema : Define the following terms: relation schema, relational database schema, domain, attribute, attribute domain, relation instance, relation cardinality, and relation degree.
What are the three characteristics of an ideal primary key : Identify the three major tasks for transforming a data model into a database design.
Application to find the area and perimeter : Using Microsoft® Visual Studio®, write an application to find the area and perimeter of a rectangle for the given input values of Length and Width in different measurement units using inches (in), feet (ft), meters (m), and centimeters (cm).
Find and sketch cross spectral density of the i and q : Find and sketch the PSD of the I and Q components of the narrowband noise process. -  Find and sketch the cross-spectral density of the I and Q components.
Describe three ways that a default value can be assigned : Explain why primary keys may never be null, but alternate keys can be null.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Case study - casey anthony trial

Determine whether the software issue, which caused inaccurate evidence in the trial, would've affected your perception of the prosecution's case if you were a juror in this trial.

  Which address should be evicted at each replacement

An MRU replacement policy? Which address should be evicted at each replacement to maximize the number of hits? How many hits does this address sequence exhibit if you follow this optimal policy?

  What other constraints can you think of for this database

Assume that an order can be shipped from several warehouses. Specify the foreign keys for this schema, stating any assumptions you make. What other constraints can you think of for this database?

  Compute the number of different possible ways

Compute the number of different possible ways in which the instructions of the two processes can be interleaved when the two processes are executed concurrently.

  Telecommunications-networking operation

The textbook describes a mode of network operation called "infrastructure mode." However, that is not the only possible mode for networks. What is infrastructure mode, and what are the other possibilities? What are their advantages and disadvantag..

  Software engineering procedure

Can correctness proving solve the problem that the product as delivered to the customer may not be what the consumer really requires?

  Bank and the international monetary fund

What is the advantages and disadvantages of the world bank and the international monetary fund?

  Guest lecturer at a local university for an ethical hacking

Imagine you've been sought out as a guest lecturer at a local university for an ethical hacking course. You have been asked to prepare a paper for the students, as well as a PowerPoint presentation, regarding the use of cryptography in corporations t..

  Determining the expected return on the stock

Assume that the change in capital structure does not affect the risk of the debt and that there are no taxes. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

  How many outcomes in the event that the first card is heart

How many outcomes are in the event that the first card is a heart?

  C++ statements that define the function grade

At Enlightened State University, students earn grades of Honors, Pass, or Fail rather than usual letter grade. The function grade returns H, P, F depending on whether avg merits a grade of Honors.

  Professional language and terminology of systems

Your informed commentary and analysis -- simply repeating what your sources say does not constitute an adequate paper. Your ability to apply the professional language and terminology of systems analysis and design correctly and in context; you are e..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd