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Question 1: Explain one characteristic of a database that has data redundancy. Note: Redundancy in our context is not a good thing
Question 2: Briefly explain the benefits of normalization and why we should implement it when designing databases.
Question 3: Determine whether you believe a compound if statement or a nested if statement is more efficient for your suggested situation / scenario in the first part of this discussion. Provide a rationale for your response.
Question 4: Suggest one (1) example of a problematic programming situation or scenario that a Boolean expression could at least partially solve. Justify your response.
Explain each and every question in depth with examples.
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Draw the E/R diagrams for the business rules
Create a database.
you are the information security officer at a medium-sized company 1500 employees. the cio asks you to explain why you
Write a join query that for every order placed on September 5, 1998, (use '05-SEP-1998') will list the order number and order date along with the customer number, last name, and first name of the customer who placed the order
Create the primary key and foreign keys using a UML Class diagram for each table and compare and contrast the key aspects that each system offers
What problems could be caused by not having appropriate indexes and what problems could be cause by having too many indexes?
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
Sketch an E-R diagram which reflects the above reuirements. Write a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
Entity relationship model is in wide use as a design tool for relational databases. Why do you think designers have chosen this model, and what makes it an effective design tool?
hi there i need to start the assignment for data warehouse where i need to define assignmentyou are required to design
Select one of the Real World Scenarios and use the experience you have that is related to the scenario you have chosen or research online; and then post your comments and solutions about your experience.
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