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!
Question:
(a) What are decision support systems, and what role do they play in the business environment?
(b) Data mining is a knowledge discovery process of automated extraction of hidden predictive information from large databases.
(i) Describe the four main steps involved in the data mining process.
(ii) There are various data mining techniques dealing with different types of problems. Give example of any three techniques that could be used in a supermarket.
(iii) To better exploit data mining what are the pre-requisites for a data warehouse?
(iv) Discuss the two critical factors which can affect success with the application of data mining technology.
(v) Data mining being relatively a new technology, what advantages would an Insurance company achieved for implementing such a technique? Illustrate your answer with some examples.
The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located
case study
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
Define the Two Phase Locking Protocol This is a protocol that is used to make sure serializability of transactions. This protocol needs that every transaction issue lock and u
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
Determine the Disadvantages of file based systems Some of the disadvantages of file based systems are like this: Data redundancy and inconsistency: the dissimilar applic
1 NF Normal Form The domain of attribute must add only atomic (simple, indivisible) values First normal form (Minimal Form or 1NF) is a normal form need in database normalizat
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
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