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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
Design relation schemas for the entire database.
Write a program to sort these back into a single file. Oh, and we only have a few nanoseconds to do it, so you'd better do it with pthreads!
From your knowledge and experience how are computer forensic investigators, in today's world of complex technology, are able to retrieve and analyze data that can be used in computer forensic investigations.
1. Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.
Your task is to develop a database to support this activity.Here is what you need to be able to provide Custom Auto Body in order to land your first consulting contract:
You are asked to create a GIS database of information about Vietnam at scale of 1:100,000. Database will include the following: Which of these features are best represented by raster model? Explain why?
Identify and discuss the serious data redundancy problems exhibited by the file structure shown in Figure and looking at the EMP_NAME and EMP_PHONE contents in Figure, what change(s) would you recommend?
A corporate venture has the resources of a large organisation and the entrepreneurial Benefits of a small one
Create an XML file with markup tags and some sample data to represent a list of invoices. Include the XML tags for two invoices in the list. Also, assume the invoices are created from a database whose tables are shown in the following database re..
Write down your subquery MAX_CALC_SAL. Name columns in result JOB_TITLE and JOB_TOTAL, and sort result on JOB_TOTAL in descending order.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
Consider the relational database described in Problem Give expressions in tuple relational calculus and domain relational calculus for each of the following queries: Find all the companies that have offices in all the cities in which company C2..
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