Student(studentNumber, StudentName, studentAddress) Book(bookNumber, bookTitle, #authorNumber, #editorNumber, yearEdition) Author(authorNumber, authorName, authorAddress) Editor(editorNumber, editorName, editorAddress) Borrow(#studentNumber, #bookNumber, borrowDate, returnDate) Write the following queries in Relational Algebra: Find the details of students who borrowed the book titled ‘Database Management Systems’

Q: The relational database schemas are as follows: department(dept-name, building, budget)…

A: Given : The relational database schemas are as follows:department(dept-name, building,…

Q: Consider the following relations in the relational schema for a database that keeps track of…

A: Given: Consider the following relations in the relational schema for a database that keeps track of…

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

A: A relational database is a type of database that keep data and access points that are related to…

Q: If the state of a database no longer reflects a real life state the database is supposed to capture,…

A: Database: The database is used to store a set of information. The information in the database is…

Q: the database relation R(a, b, d, e, f) ribute b and d are dependent only on a; e ly on d; and fonly…

A: The functional dependency possible are a -> b, d d -> e, f Here if we take closure of a, that…

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

A: According to the information given:- we have to find out the mentioned example of what kind of…

Q: Question: Consider the relation: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q), {A, B} is the…

A: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q) Candidate key: {A, B}, {C,D,E}Prime attributes Non…

Q: For each item below, specify whether the statement is true (T) or false (F).              Each…

A: (A)-Each Database Management System (DBMS) is based on a Data Model. Answer-(A) False   (B) Database…

Q: Consider a main-memory database system recovering from a system crash. Explain the relative merits…

A: Find Your Answer Below

Q: Consider a database that consists of the following relations. SUPpLIER(Sno. Sname) PART(Pno, Pname)…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Take a database, having FDs as: DOB->Age; Age->Eligibility; Name->RollNo; RollNo->Name;…

A: Here, we are going to find out the normal form for  the relation (RollNo, Name, DOB, Age). First we…

Q: Consider a database schema with a relation Emp whose attributes are as shownbelow, with types…

A: A schema is a collection of logical structures of data or schema objects. It contains entities and…

Q: Given the following UML. Transform this model to the database schema. Mark the keys & foreign keys.…

A: According to the information given:- We have to transform this given model to database schema.

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

A: As given above the table has multivalued dependencies among all its attributes. so 4NF is the normal…

Q: Given the following relation R and its functional dependencies: R(workerNumber, repairNumber,…

A: Given information: - A relational schema R is: R(workerNumber, repairNumber, workerName,…

Q: Suppose you are given the following business rules to form the basis for a database design. The…

A: Step 1:- Given:- The database must enable the manager of a company dinner club to mail invitations…

Q: Consider a main-memory database system recovering from a system crash. Explain the relative merits…

A: Find Your Answer Below

Q: Develop an EER model for the following situation using EER notation, as specified by your…

A: Here is the detailed explanation of ER diagram

Q: A database table is in 2nd Normal form if it is in 1 normal form and A. All non-key fields depend on…

A: A relational database is in 2NF , if it is firstly in 1NF that is free from Multivalued attribute…

Q: Suppose you are given the following business rules to form the basis for a database design. The…

A: MEMBER(MEMBER_NUM, MEMBER_NAME, MEMBER_ADDRESS, MEMBER_CITY,MEMBER_ZIP_CODE, INVITE_NUM,…

Q: Discuss concisely and elaborately two non-banking scenarios that demonstrate the ACID model of…

A: In step 2, I have discussed concisely and elaborately two non-banking scenarios that demonstrate the…

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: Consider the relational database below, where the primary keys are underlined. employee…

A: According to answering policy we can answer only first 3 parts . For remaining parts please resubmit…

Q: This is a database systems question: What is the cardinality of the 'writes' relationship type? a)…

A: Given questions are multiple choice question so we provide both  explanation below.

Q: Map the database schema shown in the following figure into a relational database schema. grade…

A: Actually, A database is an organized collection of data, so that it can be easily accessed and…

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

A: 1) 4NF: A relation R is in 4NF if and only if the following conditions are satisfied: It should be…

Q: Write down if the following sentences are true or false.  a. A database system includes both DBMS…

A: Since we can answer only up to one question and three subparts. So we'll answer the first three…

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

A: The answer has given below :

Q: Consider the following information about a university database:

A: The most important step for drawing an ERD diagram is to identify the entities in the database. The…

Q: the following ER diagram into a relational database schema. dID CID Director Cinema fullIName…

A: The Answer is

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: Consider a database that belongs to an airline and employs snapshot isolation for its database…

A: Scenario: Consider a web based airline reservation system with database that uses snapshot…

Q: Consider a database system for a bank that employs snapshot isolation. Describe a specific situation…

A: Database: An database is a collection of information that is stored in a database. The data is…

Q: Create a Crow’s Foot ERD for each of the following descriptions. (Note: The word many merely means…

A: Database Management System is essentially a software or application package that controls the…

Q: Consider a database system for an airline that employs snapshot isolation. Describe a situation in…

A: Given: Consider a database system for an airline that employs snapshot isolation. Describe a…

Q: Consider a main-memory database system recovering from a system crash. Explain the relative merits…

A: Main memory database system A main memory database system is a DBMS that principally depends on…

Q: Consider a database that consists of the following relations. SUPPLIER(Sno, Sname)) PART(Pno, Pname)…

A: SUPPLIER(Sno, Sname)) PART (Pno, Pname) PROJECT(Jno, Jname) SUPPLY (Sne, Pne, Jno)

Q: Consider the following conceptual schema of a sample database domain that contains information about…

A: Solution :- A constraint that establishes the relationship between two sets of attributes in which…

Q: Consider the database schema below for hotels in countries. A country have many hotels, and the same…

A: Data Base Management System: DBMS is a software that is used to store, manage and use database…

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

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

Q: We would like to design a database to maintain information about COURSES in a Faculty. Each COURSE…

A: A unary(recursive) Relationship :- when there is one entity set participating in a relationship and…

Q: Consider the Database schema on the relations   Courses (Number, Faculty, Course Title, Tutor)…

A: 1) 2)   3)

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: er the statement is true (T) or false (F).     __    Each Database Management System (DBMS) is…

A: 1.  Since Every collection of data handle by either file system or Database Management System (DBMS)…

Q: Suppose that the initial conceptual design of the Car Rental database consisted  of just a single…

A: The question has been answered in step2

Q: Each of the database models should have one benefit and one downside, so list them all.

A: Introduction: A database model is a set of interconnected principles used in an organization to…

Q: a. Given the table structure illustrated in Table P6.7, write the relational schema and draw its…

A: a. The relational schema of the given table consists of only a single table as shown. RELATIONAL…

Q: Giving the following schema for a supermarket database, specify the domain constrains for each…

A: the answer to the following questions:-

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.