B. Draw a data model for the following entities, considering the entities as representing a system for a patient billing system and including only the attributes that would be appropriate for this context: Patient (age, name, hobbies, blood type, occupation, insurance carrier, address, phone) Insurance carrier (name, number of patients on a plan, address, contact name, phone) Doctor (specialty, provider identification number, golf handicap, age, phone, name)

Q: Create an E-R model for the following scenario. Show entity names, primary keys, attributes for each…

A: We need to create ER diagram for above case studies See below step for diagram.

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A: M: N relationships may have associative entities OR single associative attributes that characterize…

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A: Summary:In this question, we need a create a conceptual data model with optionalities and…

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A: Due to the bartleby policy we can solve only one question. So kindly repost the remaining one again.…

Q: need diagram Design an ER schema for prescription monitoring based on the given data: Patients are…

A: Given solution:-

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A: Answer: The other entity that is required for communication is a strong entity. So, Weak entity and…

Q: uct a context and data flow diagram level-0 supporting the logical design/implementation of the…

A: Lets see the solution.

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A:

Q: The following is a system requirement for an inventory subsystem. The warehouse staff receives the…

A: solution:

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A: The entity-relationship diagram is one of the diagrams in the database management which represents…

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A: Given that, The form of data model in which the concepts provided are useful for end users and are…

Q: Hi can i get a data schema showing an instance of a table that was not normalised and goes through…

A: The solution for the above given question is given below:

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A: The data model defines how the data is stored and processed in an organization. There are three type…

Q: When is it necessary to represent a many-to-many connection using an associated entity?

A: According to the question Many-to-many connections are likely the trickiest connections to uncover…

Q: Consider a MOVIE database in which data is recorded about the movie industry. The data requirements…

A: Answer : I attached an  ER diagram image please have a look once.

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A: Design ER diagram to model the online bookstore’s database, in which there are four entities, namely…

Q: A simple(Atomic) attribute is Select one: O a. an attribute that can be devided to smaller sub parts…

A: A simple (atomic) attribute is__________?

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A: Here's the solution:In a database management system, data models are essential. Inside the system,…

Q: Consider a database system for a Wholesale Management System. The data requirements are summarized…

A: ER Diagram: ER diagram consists of entities with their corresponding attributes and relationships…

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A: A(n) __________ diagram is a graphical representation of an information system, illustrating…

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A: Required: The model for a _____ resembles the hierarchical model in many respects. a. Network…

Q: 171. The type of data independence in which the internal schema can be modified without modifying…

A: There are various types of data independences in dbms. According to the usage of data independence…

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A: Answer :

Q: Construct an ER Diagram from the following case study A new established company database needs to…

A: Lets see the solution.

Q: Q1/Consider a database used to record persons and each person has name, age, phone number, and…

A: The entity are  Person Company Attribute of company are name, code and address Attribute of person…

Q: The form of data model which focuses the concepts in the same way as the data stored in computer…

A: Data Models are fundamental entities to introduce abstraction in a DBMS. Data models define how data…

Q: Are associative entities also weak entities? Why or why not? If yes, is there anything special about…

A: Associative entity: • An associative entity associates the instances of one or more entity types. •…

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A: The database is the collection of data and information in the organization’s school or college. The…

Q: The concepts of data models that are only useful to computer specialists rather than end users of…

A: The concepts of data models that are only useful to computer specialists rather than end users of…

Q: sign an Entity-Relationship diagram for the below environment. determine 1-Total participation.…

A: total participation is shown between orders relation and order entity  partial participation is…

Q: 5) Consider a database used to record of persons and each person has name, E-mail, one numbers, and…

A: The entity is Teacher  School School can have one or more teacher will a teacher will be teaching in…

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A: Difference of weak entity from a strong entity: Weak Entity: It has a partial key. Dependent on a…

Q: describes a connection in which each instance of data in one entity is represented by just one…

A: There are three types of relationships that can be represented between entities and are as follows:…

Q: If any of the following choices are applicable, please tick them. This model includes entities like…

A: This model includes entities like as customers and accounts; employees; checks; and transactions.…

Q: 一.   Draw the E/R diagram for following database Let us design an employee database, including…

A: ER Diagram:-

Q: AIRPORT Airport_code Name City State FLIGHT Flight_number Airline Weekdays FLIGHT_LEG Flight_number…

A: Enhanced Entity Relationship Diagram: Enhanced entity-relationship diagrams are advanced database…

Q: Describe the primary differences between the conceptual and logical data models.

A: Given: Describe the primary differences between the conceptual and logical data models.

Q: 13. An unnormalized table means that: a. it has repeating groups. b. it has partial and transitive…

A: Answer: (B) it has partial and transitive dependencies. A connection that contains recurring values…

Q: Draw the shape used in the object-based logical model of the following. a. Attributes b. Entity sets…

A: a. An attribute defines the characteristic/property of an attribute The shape of the attribute in…

Q: Design an ER schema for prescription monitoring based on the given data: Patients are defined by…

A: Here is the ER diagram: This er diagram is based on above given information. As all entity and…

Q: Should the cardinality between entities be translated/read from both ends of the notation when…

A: Introduction: Cardinality: Cardinality refers to the maximum or lowest number of components…

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A: The user demand is checked against the logical model: One of the steps in logical design is to…

Q: The form of data independence in which the schema may be modified conceptually without affecting the…

A: This question explains about When the schema may be changed theoretically without altering the…

Q: What is the definition of an Entity type?

A: Ans.) Entity type:- A person, organization, object type, or concept about which information is…

Q: Q1/Consider a database used to record persons and each person has name, age, phone number, and…

A: The entity we have are Person Company The relationship between person and company is one to many…

Q: 12. In a book store, a customer who wants to buy a book asks the assistant if a copy of the book is…

A: Level 1 DFD –At this level, the system has to show or exposed with more details of processing.The…

Q: Create a class diagram for the Sports Physical Therapy database, as shown in Figures 1-21 through…

A: Class diagram is a graphical representation of the relationships between the tables in the database.…

Q: Draw an entity-relationship diagram for the following situation: Many students play many different…

A: Answer:-