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ER Diagram of Online Sale System Product ProductID OrderID DepartmentID Product Name Price Cutomer PK CustomerID...
Customer (CustomerId, CustomerName) Employee (EmployeeId, EmployeeName, Salary, SupervisorId) Product(ProductId, ProductName, ListPrice) Orders (OrderId, OrderDate, CustomerId, EmployeeId,...
Customer (CustomerId, CustomerName) Employee (EmployeeId, EmployeeName, Salary, SupervisorId) Product(ProductId, ProductName, ListPrice) Orders (OrderId, OrderDate, CustomerId, EmployeeId, Total) OrderedProduct (OrderId, ProductId, Quantity, Price) Write the code to complete the methods in OrderJDBC.java (look for TODO items). <---**IN BOLD** throughout code. /* OrderJDBC.java - A JDBC program for accessing and updating an order database on MySQL. */ import java.io.File; import java.math.BigDecimal; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.util.Scanner; /** * An application for...
Question 1. For each table, identify the primary key and the foreign key(s). If a table...
Question 1. For each table, identify the primary key and the
foreign key(s). If a table does not have a foreign key, write
None.
Question 2. Do the tables exhibit entity integrity? Answer yes
or no, and then explain your answer.
Question 3. Do the tables exhibit referential integrity? Answer
yes or no, and then explain your answer. Write NA (Not Applicable)
if the table does not have a foreign key.
Question 4. Describe the type(s) of relationship(s) between
CUSTOMER...
Question 3 (a) Draw an ER diagram in term of entity, attribute and relationship for a...
Question 3 (a) Draw an ER diagram in term of entity, attribute and relationship for a SMART FOOD VENTURE proposal. [14 marks] (b) Identify the relational keys are Superkey, candidate key, primary key, alternate key and foreign key. Describe each of them with reference to the sample database tables that you had created. [6 marks] SMART FOOD VENTURE NETWORKING SDN BHD 4-Nov-09 e PASAR Introduction: SMART FOOD VENTURE is a wholesale company supplying meat-chicken that mainly concentrates around Manjung and...
PROBLEM STATEMENT: Suppose you have a client that has given you the following business rules to...
PROBLEM STATEMENT: Suppose you have a client that has given you
the following business rules to form the basis for a database
design. The database must enable the manager of a company dinner
club to mail invitations to the club’s members, to plan the meals,
to keep track of who attends the dinners, and so on. Each dinner
serves many members, and each member may attend many dinners. A
member receives many invitations, and each invitation is mailed to
many...
Question 1. For each table, identify the primary key and the
foreign key(s). If a table does not have a foreign key, write
None.
Question 2. Do the tables exhibit entity integrity? Answer yes
or no, and then explain your answer.
Question 3. Do the tables exhibit referential integrity? Answer
yes or no, and then explain your answer. Write NA (Not Applicable)
if the table does not have a foreign key.
Question 4. Describe the type(s) of relationship(s) between
CUSTOMER...
Question 3 (a) Draw an ER diagram in term of entity, attribute and relationship for a SMART FOOD VENTURE proposal. [14 marks] (b) Identify the relational keys are Superkey, candidate key, primary key, alternate key and foreign key. Describe each of them with reference to the sample database tables that you had created. [6 marks] SMART FOOD VENTURE NETWORKING SDN BHD 4-Nov-09 e PASAR Introduction: SMART FOOD VENTURE is a wholesale company supplying meat-chicken that mainly concentrates around Manjung and...
PROBLEM STATEMENT: Suppose you have a client that has given you
the following business rules to form the basis for a database
design. The database must enable the manager of a company dinner
club to mail invitations to the club’s members, to plan the meals,
to keep track of who attends the dinners, and so on. Each dinner
serves many members, and each member may attend many dinners. A
member receives many invitations, and each invitation is mailed to
many...
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