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University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes. In addition, they need to know what instructors are on staff and the courses they are approved to teach. It is necessary to track rooms for each campus including capacities as well as special facilities for each room.
Create Entity-Relationship diagram for a bookstore database, that maintains information about books, professional journals, their authors, and publishers.
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
What criteria would you use in selecting a life-cycle model for the project?
Design relation schemas for the entire database.
Use the three-sphere model for systems management and brainstorm issues related to the change based on the business, technology, and organization spheres.
A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Determine any constraints you need that are not stated in the problem.
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
Write SQL queries for the books database that perform each of the following tasks: Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
Explain the content of this document in natural language;Design the graph representation of document;
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