The form of data independence in which the schema may be modified conceptually without affecting the exterior structure is referred as as

Q: How does one go about translating a data model into a database design? What are the individual…

A: Given: You may create database applications that can be accessible over the Internet using Access.…

Q: Distinguish between a relationship and anassociative entity, and use associative entitiesin a data…

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

Q: The Model-View-Controller design pattern partitions data access from business logic, data…

A: Answer: The Model View Controller is a software engineering architectural pattern that is both a…

Q: A data model is a collection of conceptual tools for describing A Data and data relationiships B…

A: Answer C)  Data, data relationships, data semantics, and consistency constraints.

Q: A logical data flow diagram differs from a physically structured data flow diagram in that it shows…

A: A Data Warehouse's Most Critical Component: A central database, ETL (extract, transform, load)…

Q: What is structural independence different from data independence?

A: Here in this question we have asked that how is structural independence is different from data…

Q: When working with database entity relationship modeling, should the cardinality between entities be…

A: Cardinality: The maximum or minimum number of elements allowed on each side of the relationship in…

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

A: Lets see the solution.

Q: An organized collection of values that may be used for data together with a set of operations that…

A: An organized collection of values that may be used for data together with a set of operations that…

Q: Direct connections between external entities and the database are not permitted. This is one of the…

A: A Data Flow Diagram (DFD) depicts the flow of data across a cycle or framework. DFDs help you…

Q: Entity-Relationship Diagram (ERD) is one of the data modeling tools that provides a software…

A:

Q: 1- DFD provide the overview of data as well as functional

A: Also known as DFD, Data flow diagrams are used to graphically represent the flow of data in a…

Q: is a data model building block that defines how data are kept correct and consistent. Structures…

A: The schema always say the conceptual level, which deal with the correct and consistent data. So the…

Q: t of pros and downsides. Why is MetaData so critical in a data warehouse?

A: Introduction Metadata is "information about other data," not the data itself, such as the text of a…

Q: How the levels of abstractions apply their impact in defining the structure/schema of data,…

A: Case Study: Complex data structures are present in database systems. Developers utilize the Data…

Q: In the context of the data hierarchy, what are the key distinctions between a data item and a data…

A: A hierarchical organization is one that is structured using various levels of authority and a…

Q: Exactly what is metadata? The term "metadata" refers to information about a result set. When is it…

A: Metadata is documentation that describes data. Properly describing and documenting data allows users…

Q: ER-diagrams are high-level design of the Database. The given ER-diagram describes the Dentist…

A: Weak entities are represented with double rectangular box in the ER Diagram      office, supplier,…

Q: Explain Single-vAlued verSuS MultivAlued AttriButeS?

A: An attribute is considered single-valued if there is at most one value associated with it at any one…

Q: The form of data model in which the concepts provided are useful for end users and are also close to…

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

Q: bility to modify schema of database in one level without affecting the schema definition in higher…

A: Ability to modify schema of database in one level without affecting the schema definition in higher…

Q: What are the key distinctions between a logical data flow diagram and a physical data flow diagram?…

A: What are the key distinctions between a logical data flow diagram and a physical data flow diagram?…

Q: Q3. What constitutes the logical relationship existing between individual elements of data.

A: Given : What constitutes the logical relationship existing between individual elements of data.

Q: Are there any fundamental decisions to be made when it comes to physical database design?

A: Among the most important choices that need to be taken are the following: picking the suitable…

Q: The components of a data hierarchy must be identified all the way up to the database level.

A: According to the question Data Hierarchy refers to the orderly arrangement of data usually in the…

Q: What is the process by which a data model is converted to a database design?

A: Data models are used during the database design process to represent the data, All of these things…

Q: Logical data modeling depicts the organization of data and its interrelationships without concern…

A: Data models are those models that form the foundation for an organization's project planning. Data…

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: Describe the general guidelines for structuring data-entry fields. Can you think of any instances…

A: Some requests which we can directly request from computer which we do not need to ask to user like,…

Q: In a three-schema design, the exterior, internal, and conceptual levels are all strictly segregated,…

A: The external level or programming level, the internal level or database administration level, and…

Q: Why do you feel entity relationship (ER) diagrams are crucial in regard to database architecture?

A: INTRODUCTION: Database architecture: Database architecture is a visual representation of a database…

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: ___________ view/schema/layer deal with how the data is actually represented.

A: DBMS

Q: Find the mistakes in the ERD related to Entities, Attributes and Relationships. Explain reason for…

A: In the following ERD related entities In the supplier attribute, "email" should be mandatory In the…

Q: A logical data flow diagram is distinguished from a physically organised data flow diagram by the…

A: Answer:- A Data Warehouse's Most Critical Component: A central database, ETL (extract, transform,…

Q: Why is it that normalized relations do not jeopardize the efficiency of a physical implementation…

A: That normalized relations do not jeopardize the efficiency of a physical implementation structure…

Q: Q1. As a data structures analyst, you are to recommend the efficient data structure with supporting…

A: A company is developing a database system containing information about cities and towns in the…

Q: Your task for this assignment is to complete a database design for the given case studies. Model the…

A: The ERD has7 entities. The entity are: employees, shows , performers, admin staff , skill , venue,…

Q: The process of reading a database schema and producing a data model from that schema is known as:

A: Option c is correct✅

Q: Produce a relational schema diagram that corresponds to the linked ER diagram for a database for the…

A: The given is a database problem where the relational database is to be created based on the given…

Q: When utilizing subtype associations, it is important to discuss the database table options that are…

A: Given:   When utilizing subtype associations, it is important to discuss the database table…

Q: A data model is: A Used to describe structure of a database. B Set of basic operations on the…

A: Data models define how the logical structure of a database is modeled. The data model is a…

Q: Data Modeling is the first phase in the process of database design and is the most important.…

A: Modeling of Data The Data Model is a visual depiction of objects and their interactions. Data…

Q: In data flow diagramming, there are two types: logical and physical. Why is MetaData so crucial to a…

A: The Answer is in step-2.

Q: Data Modelling is the primary step in the process of database design. Compare and contrast…

A: Data modeling: It is the process of creating data model for an information system by applying formal…

Q: The collection of all the concepts that must be used to describe database structure is called

A: The collection of all the concepts that must be used to describe database structure is called

Q: If here are no strict separation between internal and conceptual levels, the language used by…

A: if here are no strict separation between internal and conceptual levels, the language used by…

Q: A database design is created by following the conversion of a data model to a database design.

A: Introduction: Data design: The process of converting a data model into tables, relationships, and…