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Think of a recent change that occurred at your college, in your community, or in the news. Use the three-sphere model for systems management and brainstorm issues related to the change based on the business, technology, and organization spheres.
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
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.
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?
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate.
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
The relations given below keep track of airline flight information:Flights(flno: integer, from: string, to: string, distance:integer, departs: time, arrives: time, price: real)Aircraft(aid: integer, aflame: string, cruisingrange: integer)
Describe the information seen, using the terms such as table, schema and key. Describe the EMPLOYEE and EMP_PHOTO tables in detail.
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 ..
Design a Database schema
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