Critically compare database models and uses. !!!!!!!!!!adding advantage and disadvantages!!!!!!!!!!!!!! THANK YOU Object-oriented database model Entity-relationship model Document model Entity-attribute-value model Star schema

Q: The crow's foot in a diagram a.) is only used to show N:M relationships. b.) shows the relationship…

A: Crow's foot Diagram contains crow foot notation in which the cardinality and modality of the…

Q: Our friend Vivy realizing that his wallcovering business had a few wrinkles in it, decided to pursue…

A: An ER diagram stands for entity relationship diagram. In an E-R diagram, an entity is a real-world…

Q: elivers a comprehensive overview of organizational data 3. Support business operations of an…

A: Q. Q.2. Which of the following provides the best description for a transactional database? 1.…

Q: Which data model does not support the many-to-many relationship between entities

A: Relational databases

Q: a. how is a database different from a data warehouse? b. How is data warehousing related to business…

A: As per guidelines we are suppose to answer first question  Answer :- a. Database  Database System is…

Q: Draw a database ER model about airport Covid-19 procedure (can include entities like passenger,…

A: ER diagram will contain Airport Flight Worker/ Employee Ticket Store Supplier and all their…

Q: 145. In RAD modeling, data object sets defined in data modeling phase are converted to establish…

A: Please find the answer to the above question below:

Q: Pag

A: The relationship between entities that must be stored in a database is described by an Entity…

Q: a representation of the data in terms of entities , attributes and relationships between entities .…

A: It is defined as a systematic collection of data. They support electronic storage and manipulation…

Q: Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according…

A: What is ERD? Entity Relationship Diagram or ER Diagram or ER model, is a type of structural diagram…

Q: Create an ER model related to the following entities and relationships: Department, Student,…

A: The Diagram of the ER model is attached here with the answer. Please refer to step 2.

Q: Production tracking is important in many manufacturing environments (e.g., the pharmaceuticals…

A: Given: Production tracking is important in many manufacturing environments (e.g., the…

Q: Was cardinality ever used as a representation of anything in an entity-relationship diagram? 1:The…

A: INTRODUCTION : Foundation This question is from Database Management System, a Computer Science…

Q: Your task is to develop an ER diagram, listing all entities with its attributes including…

A: Entity ER Diagram: The following figure illustrates the ER Diagram for given business rules in…

Q: A entity instance of one type related to exactly one-entity instance of another type is------? Many…

A: A entity instance of one type related to exactly one-entity instance of another type is------?…

Q: . In Three-Schema Architecture, the schema which gives the description about physical data model,…

A: There are three type of schema in databases  1) Physical schema or internal schema:- Describes how…

Q: Which one of the following statements accurately describes a major difference between the…

A: The ask is to choose the major difference between the hierarchical model and the network model from…

Q: 2) Why do we need data warehouse? Write three differences between a data warehouse and a database…

A: Below we can discuss about:- Why do we need data warehouse? Write three differences between a data…

Q: Write a reflective report on the research article “Research on the Distributed Big Data Management…

A: Answer :  Research on the Distributed Big data management of bank based on the three-tier C/S model…

Q: Normalization               Repair the ER Diagrams into at least 1nf, 2nf and 3nf Give explanations…

A: Hi due to lack of adequate information we are unable to provide any solution. Please provide us more…

Q: A relationship between cash receipt and customer for an enterprise has cardinalities (0,1) cash…

A: Given: A relationship between cash receipt and customer for an enterprise has cardinalities (0,1)…

Q: diagram is a graphical representation of an information system, illustrating relationships among…

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

Q: data flow diagram entity relationship diagram and use - case diagram. - Look/ search for a system…

A: Solution:--   1)As it has been required in the question to provide the explanation of the given…

Q: Which one of the following statements accurately describes a major difference between the…

A: Hierarchical model is a data model that organizes data in tree like structure and each child has…

Q: Draw an entity relationship diagram ERD using unified modelling language UML nation according to the…

A: Lets see the solution.

Q: ER model relationships are represented using a.) relationship keys b.) primary keys c.) crows…

A: To find the solution for: ER model relationships are represented using  What do the cardinalities…

Q: Create a context diagram from the new business. It is okay to use your imagination with respect to…

A: Components needs for the new business : Manager Members Accounting of sales Trainer Activity

Q: 1. Illustrate a conceptual design of the database by means of an Extended Entity Relationship…

A: The given is a description of the details to be stored for a wholesale company named TakeItAll. The…

Q: Your task is to design a relational database, as well as a data warehouse to support the daily…

A: ANSWER: Relational Database: A relational database is an assortment of information things with…

Q: With an example explain what a derived attribute is?

A: DBMS:- DBMS is software that is an interface between user and database(or data). The DBMS is a…

Q: the the number name the number the birth the Date name name number Phone section Works N the…

A: In this question, we have 4 entities that are Section, the employee, son, and project. Each entity…

Q: Do a conceptual data model (CDM), logical data model (LDM) and physical data model (PDM) for online…

A: In Data modelling, there are three types of models that includes: Conceptual data model Logical…

Q: Q8.4  How is a transaction identifier typically represented in a dimensional model? Q8.5    How is…

A: Dimensional Model: It is the model which is used to optimize the database for faster retrieval of…

Q: Question 1: For the following case studies, draw an ER diagram to represent the data requirements as…

A: Answer : Solution to the above problem : Main relationship-type : 1. Producer - to - Show :…

Q: Construct an Enhanced ERD along with Possible entity clusters of the given below system.

A: To Construct an ERD diagram with Possible entity clusters

Q: A subtype is a sub-grouping of the entities in an entity type that is meaningful to the organization…

A:

Q: A star schema and how they are utilized in data architecture for business intelligence systems…

A: Business intelligence architecture is a word that refers to the rules and norms that govern the…

Q: What is an object graph in core data?     collection of objects that are connected with one…

A: The correct answer for the above mentioned question is given in the following steps for your…

Q: Using er assistant create an Entity Relationship Diagram(ERD) with appropriate entries, relevant…

A: -> An ER diagram shows the relationship among entity sets. -> In terms of DBMS, an entity is a…

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