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The DBA denormalized some of the data in Premiere Products database to enhance performance, and one of the resulting tables is following:
Customer (CustomerNum, CustomerName, Street, City,State, Zip, Balance, CreditLimit, RepNum, RepName)
Which field or fields cause table to no longer be in third normal form? In which normal form is denormalized table?
Create a Microsoft Access database. Create the tables, fi elds, data types, and primary key(s) for the database. Create the relationship(s) needed between the tables.
MGMT321 Group Project: Create the following documents for the proposed system and deliver each SDLC documents by the end of each designated module, as shown below
Write down the SQL code in order to carrying out the following requests. Display all the data in each of the four tables. Do not display the foreign key columns.
Data Modeling and Normalization
What is the two-phase locking protocol and what is the strict two-phase locking protocol? What is the rigorous two-phase locking protocol? What benefit does strict two-phase locking protocol provide? What benefit does rigorous two-phase locking pr..
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
Create a context level DFD. You should take your DFD to your tutorial for feedback before starting on the ER.
Recognize level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur.
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Describe relationships with example. Also illustrate degree of relationship for that example. What do you mean by locks. Write dow a binary lock function.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
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