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Q1) Views are an integral part of virtual private databases, yet views are used for many other reasons. Using other sources, such as the Internet, determine the many other uses for views and briefly explain how each is used. Use examples to illustrate your point.
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
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.
List the sequence of relational algebra operations needed to implement the queries.
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
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.
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.
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