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After your database was put into production a design flaw was discovered. One of the relationships identified as a 1:N relationship was determined to be a N:M relationship. Using the example of vehicles and drivers, discuss the issues to convert the relationship for the new cardinality including the new relationships and attributes for the tables.
You can Assume that Driver's License number is always unique, even across different states. Also assume that zipcode determines city and state.
Vehicle(VIN, Make, Model, Color, Licence_tag)Drivers(Driver_license_no, last_name, first_name, middle_name, address, zip, VIN)Zipcode(Zipcode, City, State)
Design a work breakdown structure for the task below: Designing the database, Working on the website content
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
Can Oracle have multiple group functions in the same SELECT list of query (i.e can we do a COUNT and AVG)? Let us assume we wanted to find lowest, highest, average.
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.
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
Describe the difference ways of implementing one-to-one relationships. Assume you are maintaining information on offices (office numbers, building, and phone numbers)
Explain the differences between the storing data in Access and Excel. Why you would use a spreadsheet over the database?
Create a database design specification Enhanced Entity Relationship Diagram (EERD) and Relational Data Model from the given business description - Database Management System
Transform the tables into one or more tables in BCNF. Write the primary keys, candidate keys, and referential integrity constraints.
Explain the content of this document in natural language;Design the graph representation of document;
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
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