ement System A System that allows customers to put orders using Wi-Fi with following features: a) View Menu (With time to prepare) b) Choose items and quantity from menu c) Confirm Order

Q: 2. At present, Mountain Hospital is using relational database technology. Discuss how the hospital…

A: Here we have given a brief note on how hospital could use each of the types of databases. You can…

Q: You are the database administrator at ABC company. Your management board wants your input on…

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

Q: Describe how relational database management systems are expanding their capabilitiesin the market…

A: Answer:-  A) MULTI MODEL Multi-model web application is one that has many models in its…

Q: Common Assessment

A:

Q: "Best-East University cafeteria is currently in need of creating a database for their food items and…

A: Identical entities are as follows:  Manager, sales_person, food items.  Essential attributes of…

Q: mplement, using SQL, a database of at least 3 tables and show how to use the virtual database to…

A: Given: Create a database with at least three tables using SQL and demonstrate how to secure it using…

Q: Identify the primary functions of a database and a data warehouse and how they vary. Justify the…

A: What is database? Database is an organized collection of data which can be easily accessed or…

Q: Name a new example of the use of an Operational Data Store (ODS). Is a database server horizontal…

A: Given:- Name a new example of the use of an Operational Data Store (ODS). Is a database server…

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: "Supermarket Stock Control System" 1)What is the purpose of your project? Explain. 2)Draw your E-R…

A: step1: Importance of Supermarket Stock Control System is explained step2: E-R diagram and 3NF…

Q: The Department of Motor Vehicle (DMV) wants to examine red-light violations in some counties. To do…

A: Given that, the Entities present based on the given information are Driver, Red light camera and…

Q: Management in this case is the owner of Semuarasa restaurant needs information to assist them in…

A: The challenge currently the management has is that the database is widely spread across many…

Q: Question 5 The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose…

A: ER diagram is given below-

Q: What does normalization mean for a relational database?

A: Answer: The correct answer to the following question is an option (1)Organize data to avoid…

Q: People Relationship Management (CRM) has made use of the widely used Oracle database management…

A: This question will examine the distinctions between Oracle DBMS and DBMS for CRM using Sibel and…

Q: Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if…

A: Below we make simple Crow’s Foot ERD.

Q: Consider the following normalized relations for a database in a large retail store chain: STORE…

A: A distributed database set is an assortment of numerous interconnected data sets, which are spread…

Q: Give three examples of likely problems when operational data is integrated into the data warehouse.…

A: Give three examples of likely problems when operational data is integrated into the data warehouse.…

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: Exercise 1-2 A small library keeps a roster of who will be at the desk each day. They have a…

A: Answer :-    This database can only ever be as good as the parameters that are entered, and some…

Q: Draw the ERD Diagram to create relational model corresponding to the described Scenario.…

A:

Q: It's a Database Administration advanced data modeling question. Given the following business…

A: Crows Foot ERD of Two-Bit Drilling Company • The situation is that company holds the information of…

Q: Grand Villa Hotels which is the purported case study used improved manual system in their room…

A: Actually, given information regarding Grand Villa Hotels which is the purported case study used…

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: Grand Villa Hotels which is the purported case study used improved manual system in their room…

A: Use Case diagram for the Grand Villa Hotels system.

Q: Data Base Management System Question 2:  With increasing number of covid cases the Sindh government…

A: PRIMARY KEYs are as follows: centreNo,roomNo,bookID,patientID.

Q: THE QUESTION Answer the following questions based on the following relational schema: INSURANCE…

A: Answer: Given relation schema and we need to write some answer based on given question…

Q: Q3: From the mentioned below discuss which model is more suitable for storing data. And what are the…

A: Data models describe how a database's logical structure is represented. In a database management…

Q: 54. What date-related attributes did you identify in each of the entity types in your answer to Case…

A: Date related attributes   The date related attributes are those that are capable of storing the…

Q: How is a data warehouse different from a database? How are they similar?

A: Since multiple questions have been posted at a single request, we will answer only first question.…

Q: Banking Database Schema: branch ( branch_name, branch_city, assets ) customer ( cust_ID,…

A: Part A: branch ( branch_name, branch_city, assets )customer ( cust_ID, customer_name,…

Q: the different concepts we discussed to design a database (single ER diagram) ra new airline company…

A:

Q: The three-level architecture allows independent customized user views. Each user should be able to…

A:

Q: hat is the candidate key of this relation?

A: Database Systems Question 5. A relation R is given which is R(A,B,C,D,E). It has the following…

Q: ng a technical report, we must consider the following factors. How do you define database man

A: Introduction: Below describe the following factors while writing a technical report for database…

Q: Suppose you are a database administrator in your company and your company has decided to cut…

A: Answer: The following are few reasons why you might want to consider migrating Microsoft SQL Server…

Q: What are the four reasons why the quality of data is poor in organization's in database

A: The primary reasons for poor big data in many businesses are as follows:

Q: 3.1 By means of examples, explain the hierarchy of data.  Q.3.2 Read the short scenario below, then…

A: We will answer all the problems in context of a database management system.

Q: ) Defines Database Users and briefly explain Functions of DBA? B) Describes advantages of Database…

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

Q: 2) Use the following business rules to create a Crow's Foot ERD. Write all appropriate…

A: Steps to create the ERD for the given system: Step1: Identity the entities: 1:Team: To handle team…

Q: You are encouraged to make assumptions of any new entities that may seem relevant. Marketing…

A: 1) entities are persons cooperation phone contact email address address

Q: 4. Relational model. (6A „Asrl-sCi Consider the following relational database schema that contains…

A: A) Below are the superkeys we can form from Proj table {pid,pname} {pid,pname,budget}…

Q: a) Explain the difference between operational database and data warehouse. b)  Explain all of the…

A: A data warehouse is a huge collection of business data that is helpful for an organization to make…

Q: Domain integrity b. Transform the following Entity relationship diagram into the Relational Schema…

A: Steps: Separate relation is created for all participating entity sets. Primary Key of Relation…

Q: No.2. Apply normalization (INF, 2NF and 3NF) of the system description given below and justify why…

A: Introduction:

Q: Q.No. 4: In relation to MIS, describe each of the following applications and evaluate their benfits?…

A: A management information system (MIS) is an information system used in an organization for…

Q: Question 1: Consider the following relational database schema used to keep track of Ship cruise…

A: Since you have posted a question with multiple sub-parts, according to the company's policy we will…

Concurrency Control

The simultaneous occurrence of two or more operations is called concurrence and the situation is called concurrency. In concurrency, the function of one operation can affect the function of the other and put data integrity at risk. Hence, management for the control of concurrency is required. The management or controlling system in the Database Management System (DBMS) that coordinates concurrent access is called the concurrency control system.