Prove that your algorithm correctly computes the attribute

Assignment Help Database Management System
Reference no: EM13509351

1.Describe a linear-time (in the size of the set of FDs, where the size of each FD is the number of attributes involved) algorithm for ?nding the attribute closure of a set of attributes with respect to a set of FDs. Prove that your algorithm correctly computes the attribute closure of the input attribute set.

Reference no: EM13509351

Questions Cloud

Quantitative analysis : Quantitative Analysis
Why is there a need to measure organizational performance : Why is there a need to measure organizational performance and discuss the appropriateness of the use of ROI, RI, and EVA as performance measures.
Find its impact velocity : A 10-kg projectile launched over level ground has three times the kinetic energy at the moment of its launch as it does at its peak height. Find its impact velocity
What is the magnitude of the external force : A 8.41 kg crate slides on a horizontal surface. The coefficient of kinetic friction between the surface and the crate is 0.496. what is the magnitude of the external force acting on the crate
Prove that your algorithm correctly computes the attribute : Describe a linear-time (in the size of the set of FDs, where the size of each FD is the number of attributes involved) algorithm for ?ndingthe attribute closure of a set of attributes with respect to a set of FDs
Obtain the angular velocity of the wheel : The suitcase is released from rest at a height of 4.00m above the ground. Calculate the angular velocity of the wheel when the suitcase reaches the ground
What current does the wire carry : In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. The wire has a length of 2.2 m when it is uncoiled. What current does the wire carry
Prove that armstrongs axioms are sound and complete for fd : Prove that Armstrong’s Axioms are sound and complete for FD in-ference. That is, show that repeated application of these axioms on aset F of FDs produces exactly the dependencies in F+.
What is the maximum power consumed : A portable CD player does not have a power rating listed, but it has a label stating that it draws a maximum current of 231.0 mA. What is the maximum power consumed

Reviews

Write a Review

Database Management System Questions & Answers

  Design update trigger on part table which raises error

Design the Update trigger on Part table which raises an error string if Count field of updated row has a higher value than value prior to Update.

  Construct an entity-relationship model for the database

Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.

  Create the database that contains each of the relations

Find all Governors General of Australia who were Barons at the time of their appointment. List them by Title and name and date that they were appointed to the position. Order the list by ascending date of appointment.

  Create a state machine diagram

In addition, you will also need to create a state machine diagram for the RegistrationRecord class (the class that maintains the registration of a student in a class).

  What tools does your organization use to deliver rich

q 1 name 3 common vulnerabilities in web applications. how does a company protect against these vulnerabilities?q 2

  Objectivesto analyse and comprehend a provided er diagram

objectivesto analyse and comprehend a provided er diagram and database schemato implement a database based on the

  List the sales for each customer

Each query is worth 2 marks. These tables exist in sphinx and are owned by the user dtoohey. You may, if you wish, create your own copies of the tables under your own account. If you do so, you should ensure that you copy the sample data in dtoohe..

  Explain relational database design and implementation

ISYS 224 Database Systems - Relational Database Design & Implementation

  Develop an entity-relationship diagram

List the entity classes and attributes that would be necessary for this information system.

  Analyse a set of data and write a memo

To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.

  What is the output when the following script is executed

Determine the answer (expected result) based on your reading of from text book: -  Just show the expected output when you run the syntax.

  Document flowchart for the order processing system

document flowchart for the order processing system, and data flow diagram DFD at Level 0 for the order processing system.

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!

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