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Question 1: Describe two ways redundancy infiltrates a database. Hint: Think about the difference between text boxes as data inputs and drop-down selection lists - one better controls the quality of data you enter! Another hint is to reflect on lookup tables. Note: Please do not state by "not normalizing the database". Be more specific and creative!
Question 2: Explain one characteristic of a database that has data redundancy. Note: Redundancy in our context is not a good thing!
Question 3: Briefly explain the benefits of normalization and why we should implement it when designing databases
Question 4: Provide an example of a table or database that is in first normal form and explain how you would bring it to 3NF.Solve these questions in details and provide examples to support your rationale.
Explain what the data entries in each of the following indexes contain. If the order of entries is signi?cant, say so and explain why. If such an index cannot be constructed, say so and explain why
What advantage is there in storing metadata in tables? Is Microsoft Access a DBMS? Why or why not? List the several consequences of a poorly designed database.
Identify three potential users and design a subschema for each. Justify your design by explaining why each user needs access to that data element.
Explain each of three database models, hierarchical, relational, and object-oriented, and provide specific referenced example of each of these model types implemented in a functioning database
What is required to defi ne a well-posed learning problem ?
Explain the following terms brie?y: attribute, domain, entity, relation-ship, entity set, relationship set, one-to-many relationship, many-to-many relationship, participation constraint, overlap constraint, covering constraint, weak entity set, aggre..
Modify the No Interest Credit Company application so it executes continuously for any number of customers until a sentinel value is supplied for the account number.
She's come to you for questions regarding connectivity to the Oracle database, which method would you advise her to use to connect to the Oracle database?
normalizationpractice on topic of normalization for each of the following questions give the revised table
What are the advantages of having the DBMS between the end user's applications and the database?
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms
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