User Account

All Pages

Why should we consider a dbms to manage data

Assignment Help Basic Computer Science
Reference no: EM131154826

Answer the following questions with your own answers and thoughts. DO NOT USE THE INTERNET, GOOGLE, OR ANY OTHER WEB SOURCE. You may use your notes and book ONLY. Copy and pasting will be considered cheating.

  1. What is a DBMS, in particular, a relational DBMS?
  2. Why should we consider a DBMS to manage data?
  3. How is application data represented in a DBMS?
  4. How is data in a DBMS retrieved and manipulated?
  5. What are the steps in designing a database?
  6. Why is the ER model used to create an initial design?
  7. What are the main concepts in the ER model?
  8. What are guidelines for using the ER model effectively?
  9. How is data represented in the relational model?
  10. What integrity constraints can be expressed?
  11. How can data be created and modified?
  12. How can data be manipulated and queried?
  13. What is the foundation for relational query languages like SQL? What is the difference between procedural and declarative languages?
  14. What is relational algebra, and why is it important?
  15. What are the basic algebra operators, and how are they combined to write complex queries?
  16. What is relational calculus, and why is it important?
  17. What is included in the SQL language? What is SQL:1999?
  18. How are queries expressed in SQL? How is the meaning of a query specified in the SQL standard?
  19. How does SQL build on and extend relational algebra and calculus?
  20. What is grouping? How is it used with aggregate operations?

Reference no: EM131154826

Questions Cloud

Types of file systems that windows 7 offers : Of the types of file systems that Windows 7 offers (NTFS, FAT, exFAT, UDF, CDFS, Live File System), which do you think is best and why? Give one example where each of the file systems is commonly used.
Construct the corresponding signal space diagram : Diisplays the waveforms of four signals s1(t),s2(t),s3(t) and s4(t) a. Using the Gram-Schmidt onhogonalization procedure. rind an onhonorrnal basis for this set of signals.b. Construct the corresponding signal space diagram.
Implementation inheritance and interface inheritance : What are implementation inheritance and interface inheritance?
Primary interop assembly : What benefit do you get from using a Primary Interop Assembly (PIA)?
Why should we consider a dbms to manage data : Answer the following questions with your own answers and thoughts. DO NOT USE THE INTERNET, GOOGLE, OR ANY OTHER WEB SOURCE. You may use your notes and book ONLY. Copy and pasting will be considered cheating.
Determine the corresponding shearing stress at point b : Knowing that a given vertical shear V causes a maximum shearing stress of 75 MPa in the hat-shaped extrusion shown
What legal claim could the protesters sue for and why : The protesters want to sue the City for violation of their constitutional rights. Specifically, what legal claim could the protesters sue for and why?
Technologies used in j2ee : How is applet different from other technologies used in J2EE?
Function-based portals and user-based portals : Explain the types of portals, Function-based portals and User-based portals.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Identifies the cost of computer

identifies the cost of computer components to configure a computer system (including all peripheral devices where needed) for use in one of the following four situations:

  Input devices

Compare how the gestures data is generated and represented for interpretation in each of the following input devices. In your comparison, consider the data formats (radio waves, electrical signal, sound, etc.), device drivers, operating systems suppo..

  Cores on computer systems

Assignment : Cores on Computer Systems:  Differentiate between multiprocessor systems and many-core systems in terms of power efficiency, cost benefit analysis, instructions processing efficiency, and packaging form factors.

  Prepare an annual budget in an excel spreadsheet

Prepare working solutions in Excel that will manage the annual budget

  Write a research paper in relation to a software design

Research paper in relation to a Software Design related topic

  Describe the forest, domain, ou, and trust configuration

Describe the forest, domain, OU, and trust configuration for Bluesky. Include a chart or diagram of the current configuration. Currently Bluesky has a single domain and default OU structure.

  Construct a truth table for the boolean expression

Construct a truth table for the Boolean expressions ABC + A'B'C' ABC + AB'C' + A'B'C' A(BC' + B'C)

  Evaluate the cost of materials

Evaluate the cost of materials

  The marie simulator

Depending on how comfortable you are with using the MARIE simulator after reading

  What is the main advantage of using master pages

What is the main advantage of using master pages. Explain the purpose and advantage of using styles.

  Describe the three fundamental models of distributed systems

Explain the two approaches to packet delivery by the network layer in Distributed Systems. Describe the three fundamental models of Distributed Systems

  Distinguish between caching and buffering

Distinguish between caching and buffering The failure model defines the ways in which failure may occur in order to provide an understanding of the effects of failure. Give one type of failure with a brief description of the failure

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