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

Hotel reservationsproject descriptionthe main portion of

Hotel Reservations Project Description: The main portion of the resort is the hotel. The hotel wants to store information about hotel guests, reservations, and rooms. You will design tables, import data from Access and E ...

Benefits of data protection controlsbased on what you have

Benefits of Data Protection Controls Based on what you have learned about data protection in an online environment, prepare a 5-slide presentation to a department head or the CEO of a company to convince the audience tha ...

Analytical assignment individual or group of max two

Analytical Assignment (Individual or Group of Max two students) What is Research article? Review articles provides summary of current state of the research on a particular topic. Ideally, the writer searches for everythi ...

Computer sciencein reference to your database design

Computer Science In reference to your Database Design Proposal: Proposal Outline, provide a narrative analysis of the customer and user needs by defining the customers and users as well as describing their individual nee ...

Database design discusion 150 wordsnormalizationplease

Database Design Discusion (150 words) Normalization Please respond to BOTH of the following questions: Question A In your own words discuss the benefits of normalization. Question B Do you think we should normalize our d ...

The strayer oracle server may be used to test and compile

The Strayer Oracle Server may be used to test and compile the SQL Queries developed for this assignment. Your instructor will provide you with login credentials to a Strayer University maintained Oracle server. A multina ...

Organizations want information organizations need

Organizations want information. Organizations need information. However, information must be in an organized format that supports the creation of business intelligence. Otherwise, according to Rebecca Wettemann, vice pre ...

Here is two assignment one is only summery of project from

Here is two assignment one is only summery of project from first assignment, in powerpoint. pleasedont copy and paste, it will be verified by software for plagiarism. please cite all sources by APA format. due date is 26 ...

Make the menageriegis database using petgissqllook at the

Make the menagerieGIS database using petGIS.sql Look at the petGIS.png to see where the pets are. 1. Display the name, astext location, X and Y values of each pet 2. Display the pets with their location displayed in stan ...

How up-to-date should data warehouse information

HOW UP-TO-DATE SHOULD DATA WAREHOUSE INFORMATION BE? Information timeliness is a must in a data warehouse-old and obsolete information leads to poor decision making. Below is a list of decision-making processes that peop ...

  • 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