How an erd can be taken as a logical representation

Assignment Help Database Management System
Reference no: EM13831652

Q1- Describe how an ERD can be taken as a logical representation, and implemented into a physical representation in a database.

Q2- Find and explain some more advanced SQL queries that a DBA might use to find some specific information about a database.

Q3- Please try to find different sql statements. and Explain what they do. IF possible, show some of the output as well.

Q4- How do you determine the optimum number of redolog files, their size and the number of groups you shuld have for your databse?
What is archivelog mode? What are the requirements for using archivelog mode? Describe what happens when in and not in archvelog mode.

Reference no: EM13831652

Questions Cloud

Is constitutional amendment asserted actually implicated : The case: u.s v. velasquez, 885 F.2d 1076 - Accuracy: Is the Constitutional Amendment asserted actually implicated?
Explain the software security touchpoint : Explain the software security Touchpoints. Describe the benefits of using the software security Touchpoints
Identify an ethical dilemma faced by an organisation : Write a 3000 word essay in which you: Use an organisation that is or has been in the news during the past two years (work-related learning) and identify an ethical dilemma faced by that organisation as an example.
The connotation of words be used to a speaker''s advantage : How can the connotation of words be used to a speaker's advantage. Are there times when this is unethical? Give three examples of "meanings are in people."
How an erd can be taken as a logical representation : Describe how an ERD can be taken as a logical representation, and implemented into a physical representation in a database. Find and explain some more advanced SQL queries that a DBA might use to find some specific information about a database
Course bridges the gap between theory : The Final Project for this course bridges the gap between theory and practice in public budgeting and financial management by focusing on what professionals and administrators actually do in the field. To this end, your task is to analyze an actual b..
What was the mass of fe3o4 in the sample of ore : What was the mass of Fe3O4 in the sample of ore
Calculate the other party''s final cost : "Another company would be willing to pay our company a floating rate payment priced at 3-month Libor+25bp, while our company would have an obligation to pay a fixed rate of 5.55% annualized, with quarterly settlements. I'm not overly concerned with t..
Prepare a constitution : Explain the reason and justification for the following sections of the Corporations Act - Prepare a constitution

Reviews

Write a Review

Database Management System Questions & Answers

  Given the file structure shown in figure p11 answer

given the file structure shown in figure p1.1 answer problems 1-4.1.how many records does the file contain? how many

  If you cannot capture some constraints explain why

Consider the university database from Exercise 2.3 and the ER dia-gram you designed. Write SQL statements to create the corresponding relations and capture as many of the constraints as possible. If you cannot capture some constraints, explain why.

  Create a mock-up interface for the project

Create your first mock-up of this interface - Based off of your previously chosen organization, you will now begin the design.

  What is the key for r

What is the key for R? Decompose R into 2NF, then 3NF relations and what you know about the relation to show that this MD cannot violate 4NF

  Construct a b+ tree

Construct a B+ tree for the following set of key value (2,3,5,7,11,19,23,29,31) in ascending order where the pointers that will fit in one node is as follows:A. four B. six C. eight assuming the tree is initially empty and values are in ascending ..

  Draw a context diagram and a level-0 dfd

develop the report having each task clearly numbered togetherwith your answer. You are also expected to write an introduction and conclusion for this report.In performing the following tasks, you have to strictly follow all diagramming rules used ..

  What kind of information will be included in the database

To design a database, a database planner should spend a considerable amount of time thinking about what kind of information will be included in the database and how it will be organized. There are several approaches to creating a successful datab

  Create a database for a home-budgeting application

The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.

  Which is not a factor to consider in software evaluation

Which is not a factor to consider in software evaluation?

  Select suitable statistical measure to compare consistency

Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.

  Construct an er diagram for a hospital

Construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er diagram into tables

  Use of data definition language-data manipulation language

Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.

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