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Accounting Theory And Accountability
Answer: 1.1) Functional dependency (FDs): - Doc-rego-> {doc-forstname, doc-surname, doc-gender, doc-qualificatio} Pat-ID->{pat-givename, pat-surname, pat-gender, pat-dob, pat-addr, pat-phone} App-ID-> { Doc-rego, pat-ID, app-datetime, app-type} 1.2) Candidate keys for the ABC relation and develop the closure for each candidate key you have discovered: - Candidate keys: - Ap...
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Answer: Part A ERD Relational Schema SupplyType (SupplyTypeID, SupplyTypeName) Primary Key (SupplyTypeID) Category (CategoryID, CategoryName) Primary Key (CategoryID) ClientType (ClientTypeID, ClientTypeName) Primary Key (ClientTypeID) Employee (EmployeeID, EmployeeName) Primary Key (EmployeeID) Supplier (accountNumber, SupplierName, SupplyTypeID) Primary Key (accountNumber), Foreign Key (SupplyTy...
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Answers: Task 1: Review Questions 1: The basic function of normalization is preventing the anomalies during modification in the database. 2: The functional dependency is considered to be constraint between two different sets of attributes in an entity. 3: The first normal form database must not have any multivalued attributes. Taken as an example, the one person can have different numbers (Nidzwetzki & Güting, 2016). To shift the e...
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Answer: Task 1: Review Questions Answer to Question 1: The basic function of normalization is preventing the anomalies during modification in the database. Answer to Question 2: The functional dependency is considered to be constraint between two different sets of attributes in an entity. Answer to Question 3: The first normal form database must not have any multivalued attributes. Taken as an example, the one person can have diff...
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Answer: Answer to Question 1: The candidate key for the doctor table is Rego. The candidate key for Patient Table is ID. The appointment table has candidate key, ID. The tables are already in third normal form. All the attributes in the database are atomic. Each of the tables has primary key. There is no non-functional dependency or transitive dependency. Answer to Question 2: Functional Dependency: The given custID has been presented as ...
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Question: Discuss about the Database Concepts: Teaching, Learning and Assessment. Answer: Person (Id, TFN, Name, Phone) Policy Owner (PersonId, PolicyNumber, TFN, Start-Date) Insurance Policy (PolicyNumber, AgentNumber, PremiumAmount, CoverageAmount) Agent (AgentNumber, Name, Phone, OfficeNumber) The above relational schema explains that if a person insurance fund through an agent then the information of the insur...
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