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Case Study based on an Interview contained in a separate document (Please see the details in page 221 of your text book). Carefully read this case study. You are required to answer the following questions based on the Case Study.
It is expected that answers to the assignment questions be succinct and MUST be written your own words.
Question 1: UC diagramPrepare a use case diagram for the case study.
Question 2: Description of the UCsWrite a short description for the following UC:• Start line run• Record employee joining the line• Record employee leaving the line• Stop line
Question 3: Sequence diagramPrepare a sequence diagram for each of the UC in Q2.
Write an SQL query to get the author of the book "The Alchemist"
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
Describe relationships with example. Also illustrate degree of relationship for that example. What do you mean by locks. Write dow a binary lock function.
You have been given the following specifications of a simple database for a netball association that keeps record of players, teams and matches.
Use Cases Perform a requirements analysis for the Case Study
A simple database with a single table contains data concerning car registration. The table contains four fields that store data relating to registration number (unique), make of car, year of manufacture and car colour
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
What is lock granularity? Explain the use of BEGIN, COMMIT, and ROLLBACK TRANSACTION statements. Explain the meaning of expression ACID transaction.
Write SQL SELECT statements to retrieve the following information from the ClassicModels database - select the product name, scale, vendor and product code for all models of classic cars built between 1948 and 1966. Display the results in order of..
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Explain thoughts on database design process this far. You have learned about first three phases of process: defining mission statement and mission objectives, analyzing current database, and creating data structures.
Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the game
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