other computer-science or IT jobs rely on relations

Q: Diagramming is a "top down" user process.  Take the following user provided information and draw the…

A: the diagram is an given below :

Q: Assume that the following figure is a part of Database relation in University Information…

A: Introduction:- The given figure shows the database schema with 5 columns and their respective keys…

Q: Integrate any programming language to mySQL with the implementation of Database Normalization and…

A: Answer: 3. From one whole big interface of registration form or any above-mentioned items, I should…

Q: Design a database for a world-wide package delivery company (e.g., DH, FedEX, UPS), with the…

A: Answer

Q: Construct the ER diagram for the NHL database using the Crows Foot notation Suppose you are given…

A: Given National Hockey League (NHL) database which consists of four entities that includes Team,…

Q: Consider the following Scenario. Design a database for an airline. The database must keep track of…

A: The ask is to design a database for an airline, keeping track of customers and their reservations,…

Q: Does the fact that a database satisfies the requirements for entity and referential integrity…

A: Does the fact that a database satisfies the requirements for entity and referential integrity…

Q: You will prepare an ER diagram describing the schema of a University database. High Achievers…

A: ER diagram shows the relationship among entity sets. In DBMS an entity is a table or attribute of a…

Q: Suppose we have a database that stores people: their social security #, names, addresses, and…

A: Name of Schema: People Let it be represented as R.  Attributes: Social Security (Let it be A)…

Q: Design a database for an airline. The database must keep track of customers and their reservations,…

A: Objective: An entity-relationship diagram should be designed to maintain a database for an airline.…

Q: Unlike a database, which stores data, an information system makes use of it. Is there any impact on…

A: The Answer:

Q: Consider the following information about a patient database

A: There are following Entities with attributes in the diagram: Patient PatientID Admission Date…

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: Consider the following relations for a database that keeps track of student enrollment in courses…

A: The answer has given below :

Q: this information. Find all the candidate keys. What type of de

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

Q: Question 12.1 Use the object definition language ODL of the ODMG object model to specify an object…

A: Publication(Catalog, Title) Publisher(Name, City ,Address) Book(Page_count, Format)…

Q: Create the Entity Relationship (ER) Diagram for the following scenario. We want to maintain a…

A: ER Diagram: The entity relationship diagram represents the various entities and the relationship…

Q: The association between two or more entities in a database system is classified as a. dynamic…

A: The relationship is the association between two or more  entities in a database system.

Q: Consider a MOVIE database in which data is recorded about the movie industry. The data requirements…

A: Answer : I attached an  ER diagram image please have a look once.

Q: Analysis of relational schemas and normalization Consider the following conceptual schema of a…

A: A constraint that establishes the relationship between two sets of attributes in which one set may…

Q: Exercise 1 – Medical Clinic System A local medical practice have asked you to help design a simple…

A: (A) Entities (i) Patient - it will contain all patient related details like their name, age, sex,…

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: Design a relational database that consists of the following stages: 1- Database requirements and…

A: Database scenario:- The ER diagram shows the hospital system model. The ER diagram shows every…

Q: Consider the following relations for a   database that keeps track of student enrolment in…

A: SOLUTION: Below is a diagram of the relational schema that shows the foreign keys for the schema:…

Q: Problem 2: Data Modeling The recrultment agency TEMPO proposes intemship. employees for enterprises…

A: Lets see the solution.

Q: Suppose, for a Salat management system, you have the following information: Person Name,  Gender…

A: 1. Updation/deletion anomalies If the user performing the update in a database table, When…

Q: I need the answer as soon as possible

A: The above question the 4 relation schema and explain and the find a weak entity in the below step

Q: ACID Model Design The ACID model of database design is one of the oldest and most important concepts…

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

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: AIRPORT Airport_code Name City State FLIGHT Flight_number Airline Weekdays FLIGHT_LEG Flight_number…

A: Enhanced Entity Relationship Diagram: Enhanced entity-relationship diagrams are advanced database…

Q: 2.4.14 Exercises for Section 2.4 Exercise 2.4.1: This exercise builds upon the products schema of…

A:

Q: Create a database( e.g. Movie database, CD collection etc.) Use a RDBMS (e.g. MYSQL, MS Access, MS…

A: For creation of database, first sample data is required. so, last option is correct. Based on the…

Q: In database management system, the current set of instance or database snapshot is also called a.…

A: Required:   In database management system, the current set of instance or database snapshot is…

Q: When mapping entities to one another for a relational database, there are several different…

A: Defined the mapping relationship in a relational database

Q: Consider a database containing personnel information, including names, addresses, and salaries of…

A: First step is to built the database schema using the following query- CREATE SCHEMA `organization`…

Q: Consider the following database schema for student game, where each team is led by a student of the…

A: The primary key constraint uniquely identifies each record in a table. A foreign key is a field or a…

Q: A relation R is given which is R(A,B,C,D,E). It has the following functional dependencies: BC -> D,…

A: A relation is in second normal form, if it is in first normal form and relation must not contain any…

Q: The components of a typical database environment should be broken down into at least nine distinct…

A: Introduction: A distributed database management system's needed components are divided into three…

Q: Make a Database Security (Inference Detection Algorithm) make a database containing personnel…

A: Given: Make a Database Security (Inference Detection Algorithm) make a database containing…

Q: (c) The following relational schema form part of a database held for library borrowing system.…

A:

Q: Figure 1 shows an ER schema for a database that may be used to keep track of part of a Hospital…

A: Entity-set schema: DOCTORS(Name, Address, Specialization, Qualification) PATIENTS(Type, Details)…

Q: 1b)By using a scenario, explain program-data dependence issue found in previous database…

A: Solution :    Explanation : Before discussing the issues found in previous database technologies…

Q: aradigm, as well as the logical

A: Step 1: A relational database stores information in one or more tables, rows, and columns.The rows…

Q: A relation r(A, B, C) had multi-valued dependencies among all its attributes. It was decomposed for…

A: Answer: As we know that the multi-valued dependencies among the attributes are handled by 4NF. So…

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: 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

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.