Describe the three-schema architecture.Why do we need mappings between schema levels? How do different schema definition languages support this architecture?

Q: Explain why NOSQL systems became popular in the 2000s and draw a quick comparison between their…

A: Introduction: Reasons for the creation of NoSQL systems include the following: Application engineers…

Q: In the context of database construction, what exactly are homonyms and synonyms, and why should they…

A: Introduction: In general, a database is a systematic collection of information or data that has been…

Q: Begin by describing the minimum desired transparency properties of a distributed database management…

A: Introduction: Transparency qualities are scattered throughout the database. Transparency qualities…

Q: 3,#4,#5 Will provide my re

A:

Q: lead To map these ER diagrams on DB structures, introduce table diagrams. Explain the reason for FK…

A: Here 3 relationship's betweens Department and Lecturer. The 1st relationship teach in is a M:N…

Q: 4) The mismatch between the data structures stored in the database and the organization of…

A: Impedance mismatch is a term used to refer to problems that occur due to differences between the…

Q: Give an explanation of what a homogeneous distributed database is and what a heterogeneous…

A: Introduction: Heterogeneous databases: There is no requirement that all sites connected to this…

Q: The graphical representation of database description is called a. dynamic schema diagram b. schema…

A: The graphical representation of database description is called schema diagram so the correct option…

Q: What is the difference between implementing a one-to-many connection in a relational database and…

A: There are theoretical contrasts between these terms that should assist you with picturing the…

Q: Are there any fundamental considerations to be made in the architecture of a physical database?

A: - We need to highlight any fundamental considerations to be made in the architecture of a physical…

Q: Construct a Relational Database Schema using this

A: Schema for the table “BANK” is as follows, Schema for the table “BANK_BRANCH” is as follows,…

Q: Describe the three-schema architecture.Why do we need mappings between schema levels? How do…

A: Answer: I have given answer in the brief explanation.

Q: Map the relational schema of Figure 6.14 into an ER schema. This is part of a process known as…

A: the answer is an given below :

Q: When it comes to database architecture, is there such a thing as time-variant data? If so, how would…

A: Time-variant:  Data in a data warehouse is time-stamped. The time may be defined as a single moment…

Q: What are homonyms and synonyms, and why should they be avoided during database design?

A: Answer:

Q: What is the purpose of conformed dimensions for different star schemas with same data warehousing…

A: To be determine: What is the purpose of conformed dimensions for different star schemas with same…

Q: What is the primary distinction between homogeneous and federated distributed database systems, and…

A: To Do: Write a comparison between homogeneous and federated distributed database systems.

Q: In order for a data hierarchy to work correctly, its components have to be recognized all the way up…

A: Given:   In order for a data hierarchy to work correctly, its components have to be recognized all…

Q: Its specifics are commonly used in third- and fourth-generation database management systems. Isn't…

A: The three schema architecture  is likewise called ANSI/SPARC design or three-level design.This…

Q: What are homonyms and synonyms, and why should they be avoided in database design?

A: What are homonyms and synonyms, and why should they be avoided in database design?

Q: What are homonyms and synonyms in the context of database building, and why should they be avoided?

A: Homonyms are comparative sounding words or a word that have unmistakable implications. Dialects are…

Q: Convert from ER schema to Relational Schema

A: Convert the Entity Relational Schema to Relational Schema. 1) An Entity-relationship model (ER…

Q: Create a definition for a data model and explain why it is useful in the architecture of databases.

A: Introduction: A data model (or data model) is an abstract model that organizes and standardizes the…

Q: Explain how the three-schema architecture provide support of multiple views of *.the data in the…

A: Actually, database is a used to stores the data.

Q: need the schema

A: Database Management System(DBMS) is a software for storing and retrieving users data while…

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: the relationship between a table of Movies and a table of ActorsActresses and how might it be…

A: the solution is an given below ;

Q: For a three-schema architecture, there is strict partition between external, internal and conceptual…

A: Ans:)  A framework that is used to manage the access to the data mainly has three layers or levels,…

Q: Given that the LDAP functionality can be implemented on top of a database system, what is the need…

A: The answer is

Q: Explain three-schema Architecture for Database Development?

A: DD:Database Development Three Schema design of software systemThe 3 schema design describes however…

Q: Write the short answers for the given question. Answer in 3-5 line maximum. A. Give examples of…

A: A.  systems in which it may make sense to use traditional file processing instead of a database…

Q: What are the benefits of adopting the same data model for both conceptual and logical design? For…

A: Introduction: As previously stated, the Data Model is an abstract model that organizes the…

Q: What is the distinction between a logical and a physical data flow diagram? The most critical…

A: Intro The response is: DFD based on logic: focuses on business issues.Meetings. It's a list of…

Q: A three-schema architecture is a three-tiered architecture in which requests are translated to…

A: Mapping: The external or programming view, the conceptual view or data administration view, and the…

Q: Explain what a data model is and why it is important in database architecture.

A: Introduction: The act of generating a simplified representation of a software system and the data…

Q: 124. The process of converting the requests into results between three-schema architecture internal,…

A: Mapping :- process of converting the requests into results between three-schema architecture…

Q: What is the main distinction between homogeneous and federated distributed database systems, and why…

A: Homogeneous distributed database system means all the data store in the database identically.…

Q: Consider schema(R, F), where R=ABCDE, F={D→EB, E→A, AC→D, BD→E}   Decompose the schema into a set…

A: Each table cell should contain a single value.Each record needs to be unique.In 1NF , a cell…

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: 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: Why is the MetaData component so important when it comes to the design of a data warehouse…

A: Introduction: Operational data and processing are kept separate from data warehouse processing.

Q: Describe the following minimum desired properties of a distributed database management system in…

A: DDBMS (Distributed Database Management System): A distributed database is a database that isn't…

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

Requirement Analysis

A process that determines the user expectations for a software product is called requirement analysis. In software engineering, requirement analysis is known as requirement engineering. It involves communication with end-users and stakeholders to determine whether the system or software requirements are validated, conflicts are solved, and key requirements are documented. The first activity of the Software Development Life Cycle (SDLC) is requirement analysis.