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Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price on each order line for each order.) Illustrate the data in the view.
Input names of students from the user, terminated by ZZZ, and create a data file GRADES with records of the form.
Create a structurally sound relational database schema showing the minimum number of fields, tables, and relationships between the tables.
Transform the tables into one or more tables in BCNF. State the primary keys, candidate keys, and referential integrity constraints.
Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
CAR (Serial-No, ModConsider the given relations for database which keeps track of auto sales in car dealership.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
Create Entity-Relationship diagram for a bookstore database, that maintains information about books, professional journals, their authors, and publishers.
Need a system that networks its 3 campuses in the US and one campus in Singapore. Transaction data for all campuses should be available to all locations. In addition, students should be able to use the Internet to view classes, enroll, register, and ..
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
You have been requested to give preliminary information on the data requirements for a GIS which is to be used to hold inventory of continental scale vegetation maps for coarse scale land surface
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