Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Probelm:

(a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network"

(i) Give advantages of a Distributed Database as compared to a centralised database.

(ii) Differentiate between a Heterogeneous DDB and Homogeneous DDB and describe under what circumstances would such systems generally arise?

(iii) Show the advantages of having data replicated at various sites.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M9586859

Have any Question?


Related Questions in DBMS

Football association of zambia faz super leaguethe faz has

Football Association of Zambia (FAZ) Super League The FAZ has recently decided to reorganise their operations to support both existing and possibly expanded league operations in Zambia and part of preparation for the 201 ...

Assignmenta restaurant is designing a database to keep

Assignment A restaurant is designing a database to keep track of customer services. A customer is defined as a customer ID, name, address and a telephone number. Customers are served by employees. Each employee is define ...

A taking an unnormalised list describe how you would

(a) Taking an unnormalised list, describe how you would normalise it using the normal forms technique and show how the result of this method is used. (b) You are currently in the process of developing a RDBMS for a natio ...

Relational database design a given the following business

Relational Database Design A) Given the following business rules, identify entity types, attributes (at least two attributes for each entity, including the primary key) and relationships, and then draw an Entity-Relation ...

Your taskyou have been commissioned to develop a database

Your task You have been commissioned to develop a database system that is capable of keeping records for FU's table tennis matches from now on. The database needs to keep a record of: - All team information, including pl ...

Sql transactions exercisesconsider table itemnameprice

SQL Transactions Exercises Consider table Item(name,price) where name is a key, and the following two concurrent transactions. T1: Begin Transaction; Update Item Set price = 2*price Where name = 'pencil'; Insert Into Ite ...

Quesiton 1 what is data-manipulation language dml there are

Quesiton: 1. What is Data-Manipulation Language (DML)? There are four types of access in DML, explain each one. 2. Assume we have a Library Database consists of the following relations: author(author_id, first_name, last ...

Question suppose we have two kinds of doctors hospital

Question : Suppose we have two kinds of doctors: hospital doctors and family physicians. In addition to the doctor's id number, name, specialty, and years of experience, we want to record the hospital name for the hospit ...

You are in a real estate business renting apartments to

You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...

In sql developercreate a table userpermissions provide

IN SQL DEVELOPER Create a table UserPermissions (provide create and insert statements code) Document UserName Policy SYSTEM Menu JDOW W2 USAM Permissions SYSTEM W2 JDOW Form 1040 USAM Policy JDOW W2 SYSTEM Write a PL/SQL ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As