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Explain how the problem of including any number of children's names in AddressBook can be solved by defining an additional relation that has only single-valued entries (using perhaps Name and Child as attributes).
Why does the speaker compare his neighbor to a "stone savage armed'? Why does the speaker seem willing to continue the custom of repairing the wall in spite of his recognition that walls are impermanent?
Pick a topic (it will be nice to choose Respiratory-related topic or any health related topic). and do a Google search to find information on that topic from a popular source (website, magazine, etc)
Requesting assistance with a short paper. Paper should be 3 to 4 pages in length and in APA format. Instructions are to write a paper that gives three examples of how YouTube has made a global impact on society, and how this has affected and influ..
Let R(A, B,C, D) be a relation and suppose it contains the following dependencies: A → B, BC → D, and D → A. - Find all super keys of R.
What are the ethical issues of the movie margin call?
Tim Trainer is asked to create a fun training environment. The business leader wants the employees to enjoy their working life and make sure that they feel fulfilled and rewarded at the after a training experience -- the key to improved performanc..
Identify any additional information you would need to recommend a solution, and explain where you would likely find that information. Discuss any issues you would likely encounter if you were to merge the PTO system to a traditional leave system...
Find two examples of businesses in your local community that attempt to disclaim liability for damage to or loss of bailed property (usually, the disclaimer is in the form of a sign behind a cash register, or language on a ticket stub.)
In the contract, a bonus of $100,000 per day will be paid for each day the project is completed earlier than its expected duration. Evaluate the following alternatives to shorten the project duration and then make a recommendation
Suppose Clinic is augmented to ClinicPlus by the addition of the attribute Appointment, which is unique for every tuple. - This can serve as a primary key. Find the BCNF of ClinicPlus and compare it with the BCNF of Clinic.
Suppose H(m) is a collision-resistant hash function that maps a message of arbitrary bit length into an n-big hash value. Is it true that, for all messages x, x1 with x=x1, we have H(x) x=H(x1)?
How much supervisory wages and factory supplies cost would NOT be assigned to products using the activity-based costing system - How much supervisory wages and factory supplies cost would be assigned to the Batch Processing activity cost pool?
This assignment uses a database with data about a university; the database resides in our Oracle servers. The schema of the database is provided below. Keys are in bold face and underlined, field types are omitted; assume that appropriate foreign ..
Write an anonymous block that places a substitution variable (&) into a local variable of type varchar2. You will need to convert the types and round them to nearest tens unit
Define main key and foreign key. Represent graphically the relational data base, with its tables and connections of foreign keys. Follow this rule: 1:N connections is represented table with just one line above and table with multiple lines below.
Write queries to find out the unused structures e.g. there is one Superannuation client but no Partnership clients on the starter database.
Create a data warehouse for electronics store chain. Chain has 20 stores in 5 cities. Each store has different sections comprising computers, DVDs, TVs, audio, home appliances etc.
Discuss the following elements as they relate to the Entity-Relationship Model: Entities, Attributes, Identifiers, and Relationships.
Under what situations would denormalization of a database schema be used? Give examples of denormalization.
What size do you think a project needs to be in order to require project management? Discuss this question for project management in general and for each of the project-planning activities. Consider the various "size" factors of a project, such as..
Develop a Use Case for each of the major processes and create the context diagram for the system described
Show all the data in each of the four tables. Do not show foreign key columns. Write names and e-mail addresses for all customers who have had a stove repair that cost more than $50.
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