Explain the difference between a data warehouse, a data mart, and a data lake. Provide at least one example of their use from your experience or how you believe they might be used in practice.

Q: draw the conceptual EERD where you should include the enhanced features.

A: ANSWER: Conceptual EERD: The drawn out substance relationship (EER) model is a language for…

Q: A database system has taken the role of the traditional file processing system. Utilizing this fresh…

A: Introduction: A database(DBMS) is a logically organized collection of structured data, usually kept…

Q: Create a database diagram that shows the relationships between the seven tables in the MyGuitarShop…

A:

Q: Chapter 1 Introduction 1.3 List six major steps that you would take in setting up a database for a…

A: First, of all define the high level requirement of the enterprise. Define the model containing all…

Q: .Answer the questions considering the following case - Best-East University is at present in need of…

A: An Entity–relationship model (ER model) depicts the structure of an information base with the…

Q: Create the model using the necessary tables, columns and relationships.

A: The Data Base Model is as follows: The Details are: Order table is related to Customer, Book and…

Q: You must further normalize

A: This is very simple. Here is the complete and full solution for further normalization. Have a look.

Q: Normalization is one of the important processes while designing databases. Normalization is actually…

A: Normalization is the process of splitting the relations into two or more relations in order to…

Q: How does a relational database organize data? Explain this in the light of the following: Define…

A: How does a relational database organize data: In database, data is organized into tables containing…

Q: Data warehouses are often constructed using relational databases. Explain the use of fact tables and…

A: A fact table generally contains numeric measurements, facts and connected to dimensions table.It…

Q: The following relational database schema stores information about a restaurant. The primary keys are…

A: Following are the query to the given question: Following are the Stored Procedure to the question:

Q: Keys are very important part of relational database model. Key are used to establish and identify…

A: Difference between foreign key and primary key  Given an advantage of using key what is the point…

Q: NB:  don't answer i. answer ii, iii, iv and v respectably only Read the scenario and answer the…

A: (ii) (iii) Customer NIN (PK) name street city country cellphone officeline…

Q: Describe a database approach. Tell how users access data in a database. Define front end and back…

A: Database Approach The database approach is an improvement on the shared file solution as the use of…

Q: rue or False Questions from "Database Design and Implementation" With small explanation for each…

A: The TRUE/FALSE of the above questions are given below:

Q: Based on the given brief scenario below, draw an ER diagram: Your Library database consists of…

A: Draw a ER diagram:

Q: 1-Describe the relative advantages of using databases over flat files. 2-Critically compare…

A: Database is the organized way of collection of information which can be accessed, updated and…

Q: When first building a database, one must take into consideration the type of information that will…

A: Let's see the solution in the  next steps

Q: of the most valuable artifacts that a data team can deliver to the business. Explain why the data…

A: In database design, the information are stored in various tables. Entity and referential integrity…

Q: When developing a database, a company must take into consideration a number of different issues,…

A: Encryption: Actually, a database is a system for storing information.  When creating a database,…

Q: Draw ER (or EER) diagram: A conceptual database design for a chain of furniture stores is needed.…

A:

Q: Answer the questions considering the following case - Best-East University is at present in need…

A: INTRODUCTION ABOUT ER DIAGRAM: An Entity–relationship model (ER model) depicts the structure of an…

Q: Assume that you are interested in creating a repository for recording the student examination…

A: Here we have mentioned few reasons to opt for database approach rather than file system and given…

Q: In the database design stage, it is known as bottom-up, top-down, and inside-out approaches. Explain…

A: Database design approaches There are mostly three approaches to the design of a database- 1.…

Q: When it comes to database structure, the Database Approach is the approach of choice in today's…

A: Introduction: The database strategy is preferable to the shared file solution because it enables…

Q: Describe the relational database paradigm, as well as the logical and physical design concerns for…

A: Everyone knows about database that we used to store data into database. But then why we use…

Q: A small surgery center needs your help to create a database. The office manager has identified the…

A: Primary Keys and Attributes: The primary keys will include, Doctor’s ID, Patients ID, and procedures…

Q: Please use UML Modelling Notation. (Don't use Chen’s Notation or Crow’s Feet Notation) -Based on…

A: The given problem is related to the database design where the details are provided and the…

Q: During COVID-19 pandemic, it is not safe for the people to go out frequently for their daily needs.…

A: ERD

Q: When building a database, an organization must carefully consider these topics: content, access,…

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

Q: Purpose: to familiarize students with the concept of data aware components and tables of a…

A: A database is a collection of information that is organized so that it can be easily accessed,…

Q: When performing database queries, it is often necessary to join two or more tables together to…

A: Correct Option: (2) The fact that we have created a normalized database with separate tables and…

Q: There are two views of the data i.e., the logical view and the physical view. In relation to…

A: Below i have answered:

Q: Subject: Database Topic: EERD -Based on the information given below, draw the conceptual EERD…

A: Enhanced entity-relationship charts are progressed information base outlines basically the same as…

Q: Create an ER database model to include the following business rules for the Products company: Each…

A: INTRODUCTION: The use of pictorial symbols to show the many sides of the connection is the most…

Q: designing a database schema using the information below to determine the data elements, complete the…

A: Answer

Q: A centralized design approach is best used when Group of answer choices the number of objects and…

A: In a centralized design, each manager has authority over a wider range of employees, departments and…

Q: Create a relational diagram for the database using crow’s foot notation. The ERD should include all…

A: A database relational diagram using crow's foot notation is as follows,

Q: Make ER diagram for Movie website wants to store information about movies

A: The current scenario here is to draw the ER Diagram for movie website to store the information about…

Q: Explain what is meant by persistency, consistency and availability features of databases Discuss…

A: Consistent databases ought to be used once the worth of the knowledge came back has to be correct.…

Q: 1. Create a database diagram that shows the relationships between the seven tables in the…

A: The Answer is in Below Steps

Q: Review the different categories of NoSQL databases, choose one, and explain how that category works,…

A: NoSQL are the databases that let the developers store and manage unstructured data and perform…

Q: 1 Problem Statement You are the CTO of a startup based out of Arlington, VA that needs to setup a…

A: Since the question contains multiple sub-parts, we will answer only first sub-part. If you want any…

Q: Explain why each of the three design objectives for relational databases is beneficial.

A: Let's see the solution  in the next steps

Q: Describe four advantages of Database approach of managing data over File-based approach. Give an…

A: Advantages of Database over filed based approach: 1. Redundancy can be reduced: Many apps used their…

Q: Utilize the different concepts we discussed to design a database (single ER diagram) Question for a…

A: Given QuithaaUtilize the different concepts we discussed to design a database (single ER diagram)…

Q: Explain how Excel can be used to design a database, including an example of a basic database layout…

A: The question has been answered in step2

Q: The following relational database schema stores information about a restaurant. The primary keys are…

A: SELECT      ename      FROM employee WHERE     eage > 30 and ((SELECT max(salary) FROM…

Q: "Mpho is very excited about the new information system to be built for his spaza shop. In this…

A: Given:  Dear student  we need to explain To make Mpho understand databases and database management…

Q: A key is a part of a relational database and a vital part of the structure of a table. They ensure…

A: a) Difference Between foreign Key and Primary Key. A Key can be a single attribute or a group of…