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Discussion: "Denormalization Functionality"
Respond to the following:
• Having an adequate data model to serve specific business needs of an organization is important. Evaluate the need for denormalization within an organization. Provide at least three examples that prove denormalization is useful to data consumers.
• Using a data-modeling checklist can help database developers design efficient data repositories. Suggest at least two possible scenarios that could take place if one of the steps in the data-modeling checklist is missed.
What is a join command? In addition, How can you combine two tables/views together? For instance one table contains 100 rows and the other one contains 200 rows, have exactly the same fields and you want to show a query with all data (300 rows).
Describe the difference ways of implementing one-to-one relationships. Assume you are maintaining information on offices (office numbers, building, and phone numbers)
Apply active database concepts such as stored procedures and triggers in a relational database - Create, execute and test a stored procedure.
Judge how Volvo Car Corporation integrated the cloud infrastructure into its networks. Explain how Volvo Car Corporation transforms data into knowledge
One of the components of a DBMS is the Query Processor. What is the purpose of the Query Processor? Explain what is meant by the file-based approach to data storage and discuss its limitations?
Identify at least four possible superkeys? Identify at least three possible candidate keys? You are requested to submit one example of relational algebra.
A patron can reserve a book or journal that has been lent out or is in the process of purchase. The reservation should be canceled when the patron checks out the book or journal or through a formal canceling service.
There are many kinds of relationships in a design model of a database. Why is it important to classify each of these types in an ERD Model?
What are the generic names for three tables in the catalog and their corresponding names in Oracle?
Identify the three database requirements that must be addressed during database design. Analyze why these requirements often conflict with each other.
Analyze and support why the ETL system is considered to be the most resource-consuming system in a data warehouse framework. Take a position on the author's opinion of semi-structured DMM over structured DMM. Support your position with evidence.
Lists and Dictionaries. Create a crude stock portfolio database system: There should be at least four data columns: stock ticker symbol, number of shares.
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