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Create a database using the three tables: one for student information, one for advisor information, and one for department information. It may be an Access database or created using the VB data manager.
Controls which need a database to either execute transaction completely or not at all.
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.
List the different entities or objects, logical processes, data flows, and data stores that are involved, starting from the time you submitted your time sheet.
Consider the relational database described in Problem Give expressions in tuple relational calculus and domain relational calculus for each of the following queries: Find all the companies that have offices in all the cities in which company C2..
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
The DBA denormalized some of the data in the Premiere Products database to improve performance. Which field or fields cause the table to no longer be in third normal form? In which normal form is the denormalized table?
Consider system which produces budget reports for department at university. For whichever system you select, answer the following design questions. Who will use output?
Complete database exercise by converting user form located the evaluation procedures section of the syllabus into 1NF and 2NF.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
Assume that relation Employee has no tuples in it initially. You are to show the simplest example you can think of where using trigger T1 will produce a different final database state than using trigger T2.
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