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

  Find the second plain text

Find the second plain text x2 - Can somebody provide the answer for given question with example?

  Contrast open-source and closed-source mobile operating syst

contrast open-source and closed-source mobile operating systems

  Components of the mac

MAC Address: 1. Identify and explain each components of the MAC, physical, or Ethernet address?

  Analyze the performance of this scheme

Consider a case in which the size of the stack for representing a search space of w nodes varies as . Assume that the load-balancing scheme used is GRR. Analyze the performance of this scheme for a message passing architecture.

  Facebook and privacy issues

Smartphones and Teenagers • Facebook and Privacy Issues • Challenges of Sport Organisations in Australia

  Create case manifest and record order fulfillment

Develop sequence diagrams for the use cases Enter New Order, Create Case Manifest and Record Order Fulfillment . Update the design class diagram with attribute information and method signatures derived from the sequence diagrams.

  Develop a structure chart with a main module

Develop a structure (hierarchy) chart with a main module, submodules, the parameter variables, and reference in the reference variables in the parentheses as needed.

  Why mpi allows these two different implementations

Discuss some of the potential reasons why MPI allows these two different implementations. In particular, consider the cases of different message-sizes and/or different architectural characteristics.

  What is the level of error-detection coverage required

Consider a fail-safe application. Is it necessary that the computer system provides guaranteed timeliness to maintain the safety of the application? What is the level of error-detection coverage required in an ultrahigh dependability application?

  Discuss the cost components for a cost function

Which cost components are used most often as the basis for cost functions?

  Process the data fields through 2nf and 3nf

Process the data fields through 2NF and 3NF

  Convert a gui server to server core

convert a GUI server to Server Core

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