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Your friend owns and operates a wholesale shoe business with annual revenues of $5 million dollars. His wholesale business specializes in supplying and supporting retailers with shoes produced under the two prominent brand names - Columbia and North Face. His motto is "add value for customers or perish". He wants you to help him with the idea of opening a retail e-store on the Internet.
1. Give two reasons why Internet sales may increase the bargaining power of customers?
2. How may information systems assist the retail e-store with a differentiation strategy?
3. What are some of the issues or challenges of operating a retail e-store that need to be addressed?
4. As a new business, information for decision making will be critical for the retail e-store. Explain how data mining and online reporting functionality would help with decision making.
5. Your friend knows that he needs robust e-commerce and business intelligence systems. However, he wants to know what other system should he consider and how would this systems add value?
Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
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What kind of advantages to copying records from one table to another? -) When an algorithm that modifies a table is used after that it's safer to work with the copy -) When
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock
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Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Selective replication: This is a combination of generating small fragments of relation and replicating them rather than a entire relation. The data should be fragmented on require
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