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

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 ...

Data warehouses and data martswrite a one- to two-page

Data Warehouses and Data Marts Write a one- to two-page (250-500 word) paper that discusses the differences between data warehouses and data marts. Also, discuss how organizations can use data warehouses and data marts t ...

Dfd1 draw a context diagram for the fiat for football

DFD 1. Draw a Context Diagram for the FIAT for Football process. 2. Draw a top level Data Flow Diagram for the FIAT for Football method. 3. Blow up any one non-trivial process into a first level Data Flow Diagram.

Frontlines united states of secrets all Frontline's United States of Secrets, all

Frontline's United States of Secrets, all episodes: http://www.pbs.org/wgbh/frontline/film/united-states-of-secrets/ (Links to an external site.) Nova's Genome specials http://www.pbs.org/wgbh/nova/body/cracking-the-code ...

Create a small bank account database with one account table

Create a small Bank Account database with one Account table. The Account table Should have fields for account number, customer last and first names, and current balance. The type of database will be Access .Populate the ...

Problem 1 please create a plsql procedure to print out the

Problem 1: Please create a PL/SQL procedure to print out the reservation ID, checkin date, and checkout date of reservations made by a guest. The input parameters is the name of the guest. There is no output parameter. P ...

A task descriptionoverviewyour task is to create and test a

A. Task Description Overview Your task is to create and test a database in MySQL using PhpMyAdmin. You are provided with a scenario and supporting documents, describing the requirements that Southern Cross University may ...

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 ...

Assignmentthis assignment requires you to design a video

Assignment This assignment requires you to design a video rental database system that will provide the functionality outlined below. Your grade will be based on how well your system can accommodate the requirements, your ...

Organizations want information organizations need

Organizations want information. Organizations need information. However, information must be in an organized format that supports the creation of business intelligence. Otherwise, according to Rebecca Wettemann, vice pre ...

  • 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