Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Q1. What do you mean by the term outer join? Describe the various types of outer joins with the help of illustrations.

Q2. Let consider the given relations for a database which keeps track of business trips of salespersons in a sales office:

SALESPERSON (SSN, Name, Start_Year, Dept_No)
TRIP (SSN, From_City, To_City, Departure_Date, Return_Date, Trip_ID)
EXPENSE (Trip_ID, Account#, Amount)

Specify the given queries in the relational algebra:

a) Find out the details (all attributes of TRIP relation) for trips whose expenses exceed $2000.

b) Find out the SSN of salesman who took trips to ‘Honolulu’.

c) Find out the total trip expenditures incurred by the salesman with SSN = ‘234-56-7890’.

Q3. Define the term view? How is it distinct from the table? prepare down the SQL syntax for making a view.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M911774

Have any Question? 


Related Questions in DBMS

Oracle databaseusing the schema you developed in homework 1

Oracle Database Using the Schema you developed in Homework 1 for your e-Commerce project, design and implement a Virtual Private Database that limits database access. Your design should be based on two of your columns an ...

Frontlines united states of secrets all Frontline's United States of Secrets, all

Frontline's United States of Secrets, all episodes: http://www.pbs.org/wgbh/frontline/film/united-states-of-secrets/ (Links to an external site.) Nova's Genome specials http://www.pbs.org/wgbh/nova/body/cracking-the-code ...

Discussionatleast 1 paragraph for each partpart 1 remote

Discussion Atleast 1 paragraph for each part Part 1: "Remote Access" Please respond to the following: • Remote access to corporate resources is becoming commonplace. From an auditing perspective, suggest two or more cont ...

Graph databases assignment1choose a social network that you

Graph Databases Assignment 1. Choose a social network that you use. Say, FaceBook, Twitter, LinkedIn, or anything else. 2. Design a model to store and manage relationship data from these social networks in a graph databa ...

Data information decision please respond to the

"Data Information Decision" Please respond to the following: • With the obvious pace of current technology development, data continues to grow daily. Imagine that you are a Database Administrator for a large organization ...

Dfd1 draw a context diagram for the fiat for football

DFD 1. Draw a Context Diagram for the FIAT for Football process. 2. Draw a top level Data Flow Diagram for the FIAT for Football method. 3. Blow up any one non-trivial process into a first level Data Flow Diagram.

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. ...

Assignmentthis assignment consists of two sections a design

Assignment This assignment consists of two sections: a design document and a revised Gantt chart or project plan. You must submit both sections as separate files for the completion of this assignment. Label each file nam ...

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 ...

Warehouse management system projectproject deliverablesthe

Warehouse management system project Project Deliverables The project requires students to perform three phases: (a) requirements analysis, (b) system and database design, and (c) a project plan. Note that in the phase 3, ...

  • 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