Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Q1. Define the terms database, database schema, database instance and the database model.

Q2. Illustrate the terms primary key, candidate key, super key and the foreign key.

Q3. Validate the given statements:

a) Relation must encompass a key.
b) Weak entities don’t encompass their own key attributes.

Q4. Validate the given statements:

a) Every recoverable schedule is the cascade less schedule
b) A relation in BCNF is as well in 3NF

Q5. prepare down the merits and demerits of the distributed databases.

Q6. find out the closure of the given set F of functional dependencies for relation schema R = (A, B, C, D, E).

A →BC
CD →E
B→ D
E→ A

List out the candidate keys for R.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M911856

Have any Question? 


Related Questions in DBMS

Capstone project purpose of the assessmentthe purpose of

Capstone Project Purpose of the assessment: The purpose of this assignment is to identify new learning, self realisation and plan for improvement. Students will have an opportunity to explore the use of the online tools ...

Projectinstructionsfor the purpose of grading the project

Project Instructions: For the purpose of grading the project you are required to perform the following tasks: Instructions 1 Open the start file Day Spa that you recently downloaded then Save the workbook as Lastname_Fir ...

Query 1list all movies played in landmark or music box

Query 1 List all movies played in Landmark or Music Box. Output only titles and eliminate duplicates. Query 2 List all stars born after 1960. Order them by their birthdate in ascending order. Output their first names, la ...

1 analyse situations andor environments for the application

1) Analyse situations and/or environments for the application of database solutions including web connectivity 2) Create, alter and remove relational tables, indexes and data using an appropriate database language. 3) Ex ...

Relational databases theory and practice assignmentanswer

Relational databases: theory and practice Assignment ANSWER ALL QUESTIONS Question 1 - Use the block notes to answer the following questions: i. Explain what is meant by the process of denormalization and how it is done. ...

Task - overview of business casealive amp boating aampb is

Task - Overview of business case: Alive & Boating (A&B) is a small start-up company that sells small boats in Wagga. A&B keeps its models in several showrooms across the city. At this stage customers cannot view the avai ...

Assignment - data mining and machine learning in the real

Assignment - Data Mining and Machine Learning in the Real World OBJECTIVE: Learn about some of the things going on in the real-world with Machine Learning and Data Mining. Your answers to the questions in the cells right ...

Data analysis projectyou have contracted with a local

Data Analysis Project You have contracted with a local school district to help them decide whether to use an interactive computer program or a standard chapter from a textbook to teach students to use fractions. The scho ...

Suppose that you are the database developer for a local

Suppose that you are the database developer for a local college. The Chief Information Officer (CIO) has asked you to provide a summary of normalizing database tables that the IT staff will use in the upcoming training s ...

Data warehouses and data martswrite a one- to two-page

Data Warehouses and Data Marts Write a one- to two-page (250-500 word) paper that discusses the differences between data warehouses and data marts. Also, discuss how organizations can use data warehouses and data marts t ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro