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Q1) Within the broad "key" classification several specialized keys have been defined. List all and describe each with an example. Explain Functional dependency. Provide an example. What are entity integrity and referential integrity? Why are they considered important?
Q2) What is meant by a weak relationship? Provide an example. What is meant by weak entity? Give an example. What do you understand by relationship degree? Name and discuss the different types of relationship degree with examples.
Controls which need a database to either execute transaction completely or not at all.
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 ..
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
creating database structure using SQL
Explain the differences between the storing data in Access and Excel. Why you would use a spreadsheet over the database?
Draw the E/R diagrams for the business rules
Is software measurement equivalent to software metrics? What makes them different?
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Design a Database schema
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
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