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In physical database design, referential integrity constraints can be defined. What actions does referential integrity constraint prevent from happening when data is inserted in table which contains this constraint? Let INSERT, UPDATE, and DELETE actions on both child and the parent.
Design a Database schema
Explain a good strategy for processing each of following queries. Determine all machines at Almaden plant. Determine employee 1 machine.
Create a 2-3 page (350 words per page) examining the use of databases in organization. Explain what database applications are utilized (Microsoft Access, DB2, Oracle, etc.).
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Input names of students from user, terminated by ZZZ, and design the data file GRADES with records of form: student (string), test1 (integer), test2 (integer), test3 (integer).
Explain how you will visually represent the data for the sales of the individual stores and for the time period shown. You want to show the change in sales for each store over time for the past three years.
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 ..
The database application project (DAP) for this course consists of the creation of a fully functional Microsoft Access database application for a real client.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
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.
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