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QUESTION 1
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role
QUESTION 2
Explain the datawarehouse and data mining concepts using appropriate examples
QUESTION 3
E-Business has allowed for customer-centered retailing, that is, the removal of intermediate levels and allowing for customer self-service. Customer-centered retailing involves the following four elements: direct sales over the web, interactive marketing and personalization, mobile commerce and customer self-service. Discuss each element with appropriate examples
QUESTION 4
(i) Information systems are becoming increasing vulnerable to security breaches. Discuss with examples
(ii) Identify the basic guidelines which managers can take to ensure the security of the information systems used in their organizations
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Use Cases Perform a requirements analysis for the Case Study
Data Modeling and Normalization
Practice on topic of Normalization
Prepare the relational schema for database
List the sequence of relational algebra operations needed to implement the queries.
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
How many entities are shown by this relation?
Design relation schemas for the entire database.
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Write an SQL query to get the author of the book "The Alchemist"
Design a Database schema
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