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Q1) Create Entity-Relationship diagram for a bookstore database, which maintains information about books, professional journals, their authors, and publishers. Books and journals are collectively referred to as publications even though publications will not appear in the E-R diagram. All publications have a unique ISBN, a title, and a year of publication. No publication is published by more than one publisher. Books have one or more authors, whereas journals have a volume and a number. Journals contain articles, each of which is authored by one or more authors. Articles have a title and a subject category and no article can appear in more than one journal. Journal article authors are distinct from book.
MGMT321 Group Project : You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..
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 Explain the datawarehouse and data mining concepts using appropria..
Why do you believe that views by themselves are insufficient for protecting access by unauthorized users?
Using Internet as the research tool for extra information not presented in text, describe why application roles are important part of the security model for databases.
Complete (i.e., reverse engineering) ER diagram below such that 4 relation schemas above are exactly result of a translation from the ERD to the relational model.
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Implement that entity as a database table with two subtypes, Games and Movie.
Design relation schemas for the entire database.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
Create a database from scratch that contains, at a minimum, the elements listed below
Write an SQL query to get the author of the book "The Alchemist"
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