User Account

All Pages

List the name and comments of all renters

Assignment Help Basic Computer Science
Reference no: EM131257732

Consider the following relations

RENTER(rno, fname, lname, address, tel_no, pref_type, max_rent)

VIEWING(rno, pno, date, comment)

PROPERTY_FOR_RENT( pno, street, area ,city, pcode, type, rooms, rent)

Express the following queries in relational algebra.

(i) List the name and comments of all renters who have viewed a property.

(ii) Identify all renters who have viewed all properties with three rooms.

Reference no: EM131257732

Questions Cloud

Database schema and a database state : What is the difference between a database schema and a database state?
Develop performance standards for the shift workers : Develop performance standards for the shift workers, identify appropriate methods of performance appraisal, and develop appropriate training to help get them back on track
What is the difference between a criminal and a terrorist : Several definitions of terrorism have been examined in this module. What is the difference between a criminal and a terrorist? How can they be the same?
Grouping attributes in relational algebra : Explain the difference between using functions with and without grouping attributes in relational algebra. Give examples.
List the name and comments of all renters : (i) List the name and comments of all renters who have viewed a property. (ii) Identify all renters who have viewed all properties with three rooms.
Describe the major pollution issues for your biome : Describe the major pollution issues for your biome, and elaborate on the sources of this pollution. List any species that have become extinct in this biome.
What changes would you recommend to improve process flow : Describe the process and include relevant process metrics (capacity, processing times, throughput, defect rates).
Evaluate and explain the cost of capital : Evaluate and explain the cost of capital in doing so please take on the role of an expert in this area and create a PowerPoint Presentation to be given to a group of executives for them to understand what cost of capital means
How does it relate to the other systems : Consider doing a bit of extra research in order to go beyond class discussion. Challenge: can you find something out about your topic that the instructor didn't talk about?

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Draw an e- r data model

Draw an E- R data model for the Garden Glory database schema shown in Chapter 3' s " Garden Glory Project Questions." Use the IE Crow's Foot E- R model for your E- R diagrams. Justify the decisions you make regarding minimum and maximum ­cardinali..

  Determine the size and contents

Determine the size and contents of: e=1:-1:5;

  Show that if messages m are 8 bits long

Find an N (not necessarily minimal) such that no 32-bit error detection code applied to N-bit blocks can detect all errors altering up to 8 bits.

  Determine the optimal plan

DSS Inc. is an electronics company with production facilities located in Atlanta, Boston, and Chicago. Components produced at these facilities may be shipped to the firm's regional warehouses that are located in Edison and Fargo.

  Distinguish between concurrent and simultaneous

Distinguish between concurrent and simultaneous. A single processor can execute two or more programs concurrently but not simultaneously

  Discuss different types of constraints that restrict design

Discuss the different types of constraints that restrict a design. Why is it important to explore these constraints before starting a design project? Discuss the most important interfaces in a distributed real-time system architecture

  Prepare for future security threats and problems

Create a checklist for at least one of these areas that a company might use to assess security and prepare for future security threats and problems.

  How does a network based idps differ from a host based idps

How does a network based IDPS differ from a host based IDPS?

  Predetermined overhead rate based on machine

If the Thomlin Company uses a predetermined overhead rate based on machine hours for applying overhead, as of this point in time (year to date) the overhead is over/under applied by?

  Why does a car wheel need to be balanced please expansion

Why does a car wheel need to be balanced. Please expalian

  How should mike and iris proceed

If the Enterprise policy Review Committee is not open to the approach that Mike and Iris want to use for structuring InfoSec policies into three tiers, how should Mike and Iris proceed?

  Question regarding the knapsack cryptosystem

Suppose that for the knapsack cryptosystem, the super-increasing knapsack is (3,5,12,23) with n=47 and m=6. a. Give the public and private keys. b. Encrypt the message M=1110 (given the binary). Give your result in decimal.

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