Answer: Introduction The report is defining the terms of normalization and functional dependency in the database. The normalization is the most important part of the database. It is the base of the successful relational database. The report is showing the database implementation from ER diagram into the MS Access relational database management system. MS Access is one of the best relational database management systems that provide so many fe...Read More >>
Answer: Entity Relationship diagram Figure 1: entity relationship diagram Business rules CQI operates within the following business rules as defined in the case study; CQI sells three types of insurance covers to its customers; home-buildings policy, home-contents policy, combined home-buildings- contents policy For a customer to be a member he or she has to purchase one type of policy and CQI collects customer information for f...Read More >>
Answer: Entity Relationship Diagram (Smartdraw, 2016) Assumptions and Business Rules Following business rules and assumptions are put into practice into the CQI database- A customer can insure more than one property. Each property should be attached with addresses. Each claim should be belonged to one customer. The policy premium will be on yearly basis in CQI. The policy types available at CQI are- ‘Home’, &lsquo...Read More >>
Answer: 1.Normalization 1.a. ERD: Figure 1: Logical Entity Relationship Diagram of Proposed Database (Source: Created by Author) Figure 2: Relationship Diagram Drawn in MS Access (Source: Created by Author) 1.b. Normalization Process (Dependency Diagram) Figure 3: Dependency Diagram (Source: Created by Author) In order to be in the 3rd normal form, the entities must be in the first and second normal form. The...Read More >>
Answer: ER diagram for CQ Insurance Figure 1: ER diagram for CQ Insurance (Source: Created by Author) Assumptions and Business rules Assumptions The ERD (Entity Relationship Diagram) has been presented above according to the case of CQ Insurance (CQI) that provides insurance policies for Home buildings as well as contents. The assumptions that has been made for designing the ERD from the CQ Insurance case study are listed as below: A...Read More >>
Answer: Entity Relationship diagram Figure 1: ERD Business rules The following business rules were derived from rules were derived from the case study to come up with the entity relationship diagram. CQI has three types of insurance policies that can be purchased by customers. For a customer to be registered as a member of CQI the customer has to purchase a policy as the customer details are corrected during the time of purchasi...Read More >>
Answer: ER Diagram Assumptions and Business Rules Business rules and some assumptions that are functional on CQI database are described below- Policies- Home, Content and Home Content are presented at CQI. Policy premium will be given on yearly basis. Claims and claims related information like stages, outcomes etc. are stored into the database. All homes and home contents of all customers will be saved into database. Logica...Read More >>
Answer: Relation Attribute Key Employee EmployeeID PK FirstName lastName address phone Manager EmployeeID PK,FK Foreign key (EmployeeID) references Employee (EmployeeID) Experience Analyst EmployeeID...Read More >>
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