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a. Provide ALL of the SQL statements required to insert the details of the following: A customer, John Smith, of 47 Moodle Street, Highwater, WA, 6709, Australia (email: [email protected]) has sold a work of art called "Gorillas in the Mist" by the renowned French artist, Gallic Symbol (b. 1973) to the Gallery (i.e., the Gallery purchased it from him). It is a unique Watercolour on Paper and is 45 * 30cm signed by the Artist. The purchase price was $4500 and the transaction took place on 27th July 2013.
b. You have been given the following specifications of a simple database for a netball association that keeps record of players, teams and matches. Give the SQL to create the Match table. You may assume that the Player and Team tables have already been created, and that the MatchID, PlayerID and TeamID colums are of the data type VARCHAR2(5). The result of the match refers to the result for the HomeTeam and can be only W, L or D (win, lose or draw). c. Your match table must also include a column that records the scores of both teams in the match. Provide the SQL to amend the original table design to allow for this change in requirement. It is most unlikely (impossible) that a team would ever score more than 999 goals in a match.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
Indexing can affect the performance of a general-purpose database that has roughly equal numbers of fetches and changes. The decision to add an index can improve the performance of a system but can also degrade it.
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
Due to the tight deadline, the project team was assembled quickly with ten (10) team members of various backgrounds. There are three (3) offshore developers in India and two (2) QA testers in San Francisco, CA.
You need to design a CASE for other student to investigate. As an example; at the end of this week you should generate the following materials: A case description.
Create a report that contains the above data - be sure to include a Hampton University logo in your report.
When the database is set up it should be populated with the data that you have chosen. Display this data as part of your documentation. Each table should have from 3 to 6 records initially.
Draw a diagram of, and explain the architecture of a system for serving up dynamic pages from a database. Show the protocols involved, the flow of messages and what types of information the messages contain.
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
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