Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A distributed database is defined as "a collection of multiple logically interrelated database which are physically distributed over a computer network"
(a) Give any three advantages of implementing a distributed database system.
(b) Provide any two difficulties that database designer has to face when implementing a distributed database system.
(c) The components of a Distributed Database include the following: Network Processor, Remote data processor, Data dictionary, and local data processor. Explain the function of each of the above components.
(d) Differentiate between a Homogeneous Distributed Database and a Heterogeneous Distributed Database.
(e) In the context of distributed database, explain the term „Fragmentation?
(f) Briefly discuss why data fragmentation could be useful in such distributed database systems, and explain each of the following fragmentation rules:
- Completeness- Reconstruction- Disjointness
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
triggering
A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
What is an Operand? The data on which the operation is to be performed is known as an Operand
What is Trigger? A trigger is a SQL procedure that initiates an action when an event (INSERT, DELETE or UPDATE) occurs. Triggers are kept in and managed by the DBMS. Triggers a
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Using SQL create a view RS for the relations R and S. The view consists of the columns A and D renamed as X and Y in that order. Insert a tuple into it. Show the contents of t
I am using Siteground. And my database is full of limit so need someone who reduces the data which no need. This is very simple and simple task. Skills required are Databa
I am doing research in this area, especially in sime join and join efficacy when several relations have been queried. Relations located in different sites. I need something like n
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd