User Account

All Pages

What is a referential integrity constraint

Assignment Help Basic Computer Science
Reference no: EM131219074

a. What is the premise of Fagin's work on DK/NF?

b. Summarize the three categories of normalization theory.

c. In general, how can you transform a relation not in BCNF into ones that are in BCNF?

d. What is a referential integrity constraint?

e. Explain the role of referential integrity constraints in normalization.

Reference no: EM131219074

Questions Cloud

Determine the mean and autocorrelation function : Determine the mean and autocorrelation function when the signal and the noise are both Gaussian random processes and wide sense stationary.
Where does the value of a surrogate key come from : The term domestic key is not used. If it were used, however, what do you think it would mean?
What normal form is concerned with multivalued dependencies : If a relation is in BCNF, what can we say about it with regard to 2NF and 3NF?
Active directory replication topology for company : How do you choose the appropriate Active Directory replication topology for your company? What kinds of problems do you want to prevent? Give examples. Please explain in approximately in two paragraphs.
What is a referential integrity constraint : In general, how can you transform a relation not in BCNF into ones that are in BCNF?
Find the output psd in terms of the input : Find the output autocorrelation in terms of the input autocorrelation. --  Find the output PSD in terms of the input.
Designing an active directory infrastructure : What are some factors or requirements when designing an Active Directory Infrastructure? How do you gather the requirements for the design? Please explain in approximately in two paragraphs.
Reasons for creating customized duplicated tables : Explain the problems in your example in Review Question 4.23.
Write an sql statement to fill this table with data : Suppose you are given the DEPARTMENT and EMPLOYEE tables in Review Question 4.10 and asked to denormalize them into the EMPLOYEE_DEPARTMENT relation. Show the design of the EMPLOYEE_DEPARTMENT relation. Write an SQL statement to fill this table wi..

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Security of the facilities

Write 2 pages of the physical security policy section for Home Depot regarding their security incident. Include the follow:Security of the facilities:  -Physical entry controls

  Which of the following is a feature of .net framework

Which of the following is a feature of .net framework?

  System protect patient privacy medical record

The length of the paper is 7 pages and I want to write on the areas of "Does computer system protect patient's privacy medical record?" Please follow this paper outline:

  Create a power point slide show

Choose an historical event, short story, speech, or other document, create a power point slide show from the document. The slide show has a title slide that displays your name and the title of your slide show, table of contents slide that provides..

  The processing of the reference scheme

Page faults occur during the processing of the reference scheme? The hit ratio is for each of the following policies in a pure demand paging system? What do you observe when you move from Scheme 1 to Scheme 2? Explain.

  Narrative discussing the purposes

Write a 350- to 700-word narrative discussing the purposes, advantages, and disadvantages of the following:

  What is the relationship between t and x

Find the PMF of X, the number of times that a packet is transmitted by the source.

  Structured and object-oriented designs

Structured and object-oriented designs are the two main contenders for programming methodologies relevant to the creation of documentation for application programs. The choice of methodologies will greatly affect how we approach the challenge and ..

  How does noise affect signals

How does noise affect signals? What happens if the level of noise becomes too high relative to the strength of the signal?

  Construct the tree of the algebraic expression

1) Construct the tree of the algebraic expression ((z + 3) ÷ (2 + y) × (w - (z + 7))

  Write a method that turns the snake toward the frog

Write a method that turns the snake toward the frog and slides the snake forward. Then, have the frog turn to the pond and jump in. Your method should use a parameter to specify which frog is escaping.

  Displaying all n integers in a sorted linked chain

Displaying all n integers in a sorted linked chain

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