Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

problem 1)a) With a diagram describe general distribute file service architecture.

b) With diagrams describe different navigation schemes.

problem 2)a) Describe the rules for commitment of nested transactions.

b) Describe how concurrency can be increased in locking schemes.

c) Consider optimistic concurrency control as applied to the transactions T and U defined as follows

T: x=read(i); prepare(j,44);
U: prepare (i, 55); prepare(j,66);

Assume that transactions T and U are active at the same time as one another. describe the outcome in each of the following cases.

(i) T’s request to commit comes first and backward validation is used;

(ii) U’s request to commit comes first and backward validation is used;

(iii) T’s request to commit comes first and forward validation is used;

(iv) U’s request to commit comes first and forward validation is used;

problem 3)a) With diagrams describe various types of access to a distribute database.

b) With ex describe horizontal and vertical fragmentation.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M96584

Have any Question? 


Related Questions in DBMS

Database design discusion post and assignmentdiscusion post

Database Design Discusion Post and Assignment Discusion Post: Data as a Corporate Resource and Foreign Keys Please respond to BOTH of the following questions: Question A Discuss how data can be a corporate resource and d ...

Lab creating a database designthis assignment contains two

Lab: Creating a Database Design This assignment contains two Sections: Database Design Diagram and Design Summary. You must submit both sections as separate files in order to complete this assignment. Note: If you are us ...

Database management assignmentyou have been hired by

Database Management Assignment You have been hired by National Bank as their new database administrator. Your first task is to upgrade the bank's outdated computer system and implement a relational database management sy ...

Describe a database that might be used in nursing using

Describe a database that might be used in nursing. Using this data, explain the relationship between a field, a record, a table and a database. In addition, what are the advantages of managing database information in Acc ...

Listed the five important software components of a dbms the

Listed the five important software components of a DBMS: the DBMS engine, the data definition, data manipulation, application generation, and data administration subsystems. Which of those are most and least important to ...

Enterprisebim projectgoal - to enable students to

Enterprise/BIM Project Goal - To enable students to experience the process of building a non-trivial database-backed web application. Tasks 1. Choose any area that interests you - this does not necessarily have to be abo ...

Lab manualin this lab you will learn how to use ddl and

Lab Manual In this lab you will learn how to use DDL and Oracle Enterprise server to create user accounts, modify, monitor and delete them. You will take the first look at object permissions in Oracle. The last assignmen ...

Relational database systems comp 1005objective this is an

Relational Database Systems (COMP 1005) Objective: This is an individual assignment aimed to give the student exposure in understanding, designing, building and analyzing database systems for a given real-time based scen ...

Career opportunities in your majorknowledge workers

CAREER OPPORTUNITIES IN YOUR MAJOR Knowledge workers throughout the business world are building their own desktop databases (often called end-user databases or knowledge worker databases). To do so, they must understand ...

Taskoverview of business casealive amp boating aampb is a

Task Overview of business case: Alive & Boating (A&B) is a small start­up company that sells small boats in Wagga. A&B keeps its models in several showrooms across the city. At this stage customers cannot view the availa ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen