QUESTION 4 Convert the following ER diagram into a relational database schema, be certain to indicate primary keys and referential integrity constraints. Accident Driver reportNUM driverlD PK PK location Address accidentDate Name have

Q: What are the three situations that suggests relations be denormalized before database implementation

A: Denormalization is the process of adding redundant data in normalised database.

Q: Design a Relational Database by Mapping the following Entity-Relationship Diagram (ERD) into…

A:

Q: Given the following EER diagram, write down the corresponding relations using the method taught in…

A: The answer is

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A:

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A: Conversion of above ER diagram to relationship schema is in step 2.

Q: The following exercises are based on the BITS database user views as designed in Your Turn 6-1 in…

A:

Q: DB design and is expected to change frequently is: O 1. Database Extension O 2. Database Intension O…

A: 1) DB Design and is expected to change frequenty Database intension or database schema are set of…

Q: Based on the picture, create the ERD for this database. Then explain if the tables exhibit…

A: Before design ERD diagram of given database.Let's know about few lines of ERD. The ERD stands for…

Q: Question#4 Answer below question, considering the relational database as represented in the…

A: Attaching the query:- Explanation:- In this we have to find all those customers with bank account…

Q: An audit record of takes relation changes may be desired. A hostile database administrator (or…

A: Introduction: The audit trail's fundamental tenet is to monitor (or track) the usage and…

Q: QUESTION 22 When identifying functional dependencies, the sequence/ordering of columns in a database…

A: Answer question 22 is given below

Q: discuss and elaborate what is the purpose of using views and how it will affect the database…

A: Views of a database schema are generated for a particular query, to extract a particular set of…

Q: Below given relations of a database are in First Normal Form (1“ NF). Decompose (Split) the…

A: A sequence of steps are involved in reducing data replication. It's known as regular shapes, and…

Q: You can use either an E-R diagram or DBDL to represent the structure of a database. Which approach…

A: E-R diagram: - ER diagrams are used to examine existing databases to find and solve problems in…

Q: In the three-schema architecture: a. The view of a manager or other type of user is called the _____…

A: Note: There are multiple questions are given in one question. According to the rule, you will get…

Q: If a database is entity and referential integrity compliant, does this suggest that the database is…

A: Data integrity is the act of ensuring the correctness and consistency of data throughout its life.…

Q: Consider the employee database of Figure 4.12. Give an SQL DDL definition of this database. Identify…

A: Solution: SQL DLL definition of employee database:                           With the help of…

Q: ID library_item title N publishes magazines journal conference_proceeding book publisher date_of…

A: Primary key attributes- magazines- date of publish, date, id journal-volume, number, id book -…

Q: perators discussed in this chapter. Also show the result of each query as it would apply to the…

A: The given problem is related to database SQL queries where the database and sample data is given.…

Q: Question 3 a) Normalize table 1 to a set of Third Normal Form (3NF) relations. Your answer should…

A: Primary key for the given relation is, (PatientID , DiseaseID) The Fd's possible are PatientID…

Q: . A relational database developer refers to a record as a. a criteria b. a relation c. a tuple d. an…

A: c) a tuple

Q: Example 2.1) (Answer according to Figure 1) Convert the data model in Figure 1 to Database Design…

A: CREATE TABLE CUSTOMER( Customer ID integer primarykey, Name char(20) notnull, Surname char(15)…

Q: The following exercises are based on the BITS database user views as designed in Your Turn 6-1 in…

A:

Q: The following exercises are based on the BITS database user views as designed in Your Turn 6-1 in…

A:

Q: name ID admit_date SSN address phone Patient responsible Physician Room id {disjoint,complete) 0.2…

A: Below is the relational schema for the above entity relation diagram. The schema contains the name…

Q: Create a relational database schema from the ERD in 3.1 showing all tables in 3NF. Each table should…

A: A schema is simply a list of each table name and its fields/attributes in a database as in the…

Q: A foreign key in a relational database table is (n): A Set of attribute values in a table. B…

A: Please find the answer below

Q: Question 48 (1 point) In order to improve the performance of a database used primarily used for…

A: Answer 1: True. Denormalization can improve performance by: Minimizing the need for joins…

Q: The following figure present BANK ER diagram. Map it into a full relational schema. Specify all…

A: Given ER diagram contains 5 entities that are Bank, Bank_branch, Account, Loan and Customer. After…

Q: What does it mean when a relationship is well-structured? In logical database architecture, why are…

A: Given:

Q: The following exercises are based on the BITS database user views as designed in Your Turn 6-1 in…

A:

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

A:

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A:

Q: Question 4, Page 281 Concepts of Database Management, 9th Edition ISBN: 978-1-337-09342-2…

A: Problem requirement: The company needs to add an reservations from sports clubs. So, one need to…

Q: Mạp the following EER Design into a relational database. Specify primary key and referential…

A: There are some steps of converting the EER design to the relational database:

Q: Why the usage of schemas in Database Management System is important, your answer must be supported…

A: Given:- Why the usage of schemas in Database Management System is important, your answer must be…

Q: QUESTION 4 Convert the following ER diagram into a relational database schema, be certain to…

A:

Q: For each table, identify the primary key and the foreign key(s). If a table does not have a foreign…

A: As per our policy, "Since you have asked multiple questions, we will solve the first question for…

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A: Answer : The Relational  model  of the above scenario is as shown in below :

Q: create a table for the class entity in an ER diagram of a school system. Show the composite key in…

A: In the School system. there are many entities like Admin Teacher Student Subject Division Class…

Q: QUESTION 5 Consider the database schema below:   Company (ID: integer, Name: String (unique),…

A: Domain constraints defines valid set of values for an attribute. The data type of domain includes…

Q: n to indicate primary keys and referential integrity constraints.

A:

Q: Exercise 3.13 Consider the university database from Exercise 2.3 and the ER dia- gram you designed.…

A:

Q: Convert each ERD that follows into a relational database schema diagram using the above schema…

A: In answer A there are 3 tables in which two tables are entities and one is a relationship table…

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A: The main entities of the given ER diagram are: LOT ProductionUnit RawMaterials Hence the…

Q: urgent The below entity consist one of multivalued attribute.  Identify the multivalued attribute…

A: The given problem is related to database design and the requirement is to analyse the given entity…

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.