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Normalized ERD, Memo, and Database File
Update the detailed ERD created during Week Two to normalize it to the third normal form.
Write a 300- to 350-word memo to your client that explains the level of normalization and explain why that level is sufficient for this system.
Update the Microsoft Access database created during Week Two.
Assign appropriate keys and relationships among tables established using the Relationships Tool.
Once the database has been created, add relevant data to each table, at least 10 records for each.
Using your knowledge of Premiere Products, determine the functional dependencies that exist in the following table.
Relational Algebra- The database used for this question is a very simple one with the following schema: (Primary keys are bold, foreign keys are underlined)
What is online analytical processing? How is OLAP related to databases? What is a pivot table, and how are pivot tables and OLAP related?
Based on the schema write SQL statements and provide the equivalent relational algebra expressions - relational algebra expressions return and give the equivalent SQL statements.
What is the cost of joining R and S using a page-oriented simple nested loops join? What is the minimum number of buffer pages required for this cost to remain unchanged?
Analyze the database environment. Describe the problems and constraints.
Define a structural model. Why should a systems analyst create one? Give an example of class cohesion for a class named SUPPLIER for your example that supplies car parts. List some of its attributes and at least two OPERATIONS (methods) that would..
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.
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got 'A' grade.
Draw an ERD for the following problem with attributes, primary keys, cardinalities and participation constraints and specialization, if appropriate
Produce a distributed data design for this enterprise. Show data fragmentation/partitioning and replication for each regional database location. Indicate what attributes are in each fragment
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