translate the following er diagram  1. normalize the relations to 3NF

Q: What are three indications that a surrogate key should be constructed for the primary key of a…

A: Surrogate key is unique key and also called as synthetic primary key. Surrogate key holds anonymous…

Q: Give three examples of when it would be appropriate to use a surrogate key instead of the primary…

A: requirements for suggesting a substitute key There are three circumstances that indicate a…

Q: Can the foreign key be extracted from another table that is not connected to it in entity…

A: Foreign keys are a part of table which are being sourced from some column in a different table.

Q: Elaborate on the five Major uses of entity relationship diagrams in database

A: Entity-Relationship Diagrams (ERDs) are graphical representations used to model the structure of a…

Q: Consider the following E-R diagram: E1 R4 E4 M M R1 R3 R5 N E2 M R2 E3

A: Answer : - Total number of relation in given table is 5.

Q: Develop a diagram that shows the functional dependencies in the SHIPMENT relation

A: To create a functional dependency diagram, functional dependence means that a dependency value from…

Q: (6) What are the 2 properties we need to keep in mind while doing decompositions to achieve a…

A: 2 properties are : ✓Lossless Decomposition: If the information is not lost from the relation that is…

Q: List three conditions that suggest a surrogate key should be created for the primary key of a…

A: To be determine: List three conditions that suggest a surrogate key should be created for the…

Q: Describe three circumstances in which a substitute key for a relation's primary key should be…

A: The question has been answered in step2

Q: Normalize the 1NF relation to 3NF showing the resulting 2NF and 3NF relations. Show your work in…

A: Given Relation is, R(A,B,C,D,E,F,G,H,I,J,K,L) Key attributes are A, B, C The functional dependencies…

Q: Describe how you would deal with the relation type M:N using a practical example.

A: MANY-TO-MANY (M: N) RELATIONSHIP: Many-to-Many relationship refers to the relationship between two…

Q: What is the reason for normalised relations may not compromise an efficient physical implementation…

A: Normalized relations may also not jeopardize the efficiency of the simple geometric structure, as…

Q: Explain the concept of domain-key normal form (DKNF) and its significance in the normalization…

A: Domain Key Normalization (DKNF) is a level of database normalization that focuses on maintaining…

Q: Description of three circumstances in which it is appropriate to generate a replacement key for the…

A: In computer code engineering, incremental Development might be a process that stresses the value of…

Q: aaa A d N R T bbb B N S CCC Convert the above ER diagram to relations in the normal manner, and then…

A: An ER diagram is an visual representation of the entities, attributes and relationships within a…

Q: Describe three scenarios when a surrogate key should replace a relation's primary key.

A: requirements for suggesting a substitute key Three circumstances indicate that a relation's primary…

Q: s1 s2 s4 s3 $5

A: State Move Testing may be a dark box testing procedure in which changes made in input conditions…

Q: Map the following ER-Diagram into schema Diagram. Note: Must state the PK/FK example R3(A7/Pk, A5,…

A: The relationship between 1 and 2 is 1:M. So we need to include primary key of relation 1 as foreign…

Q: 2. Draw UML diagram showing the following relationships: a. One to many b. Many to many (using…

A: A UML diagram can be useful to corporations and other individuals who want to simplify the…

Q: Describe the differences in meaning between the terms relation and relation schema.

A: A relation schema is the combination of list of attributes and their related domain types. An…

Q: Help normalize this into 4NF and make a diagram please? Or just explain the relations I should do.…

A: Here are the problems in existing table / relation: - Address and email are combined into a single…

Q: Describe the Second Normal Form (2NF) and provide an example of a table that meets this…

A: Database normalization is based on the Second Normal Form (2NF), which is a fundamental idea. The…

Q: What are three reasons why the main key of a relation need to be replaced with a surrogate key?

A: substitute key: It is a key that has no contextual significance but is utilised in data analysis to…

Q: Discuss the Boyce-Codd Normal Form (BCNF) and highlight the conditions that must be met for a…

A: The Boyce-Codd Normal Form (BCNF) is a crucial concept in database normalization, which is a process…

Q: example

A: Ternary relations:- When three entities are involved and taking part in a relationship then it is…

Q: Describe three situations in which a substitute key for the main key of a relation should be…

A: Given: Indicators that point to the existence of a surrogate keyThere are three circumstances that…

Q: What are three signs that a surrogate key should be generated for the primary key of a relation…

A: A surrogate key is one that serves no practical or operational purpose. It's "artificial" and made…

Q: The intersection operation can be applied to only union-compatible relations. (a) True (b)False

A: Two relations (or tables) are said to be "union-compatible" if they meet certain criteria that allow…

Q: List three criteria that indicate that a surrogate key should be generated for the main key of a…

A: We have to write three criteria that indicate that a surrogate key should be generated for the main…

Q: For relation (R), its attributes and its functional dependencies (F): R(A, B, C, D, E) CD-> B A- D…

A: A relational schema R is considered to be in Boyce–Codd normal form (BCNF) if, for every one of its…

Q: Question 2. Find a set of FDs for the relation schema R(w, X, y, z) with primary key "wx" under…

A: A set of Fd's for the relation schema R(w,x,y,z) with a primary key "WX" under R is in 2nf but not…

Q: Question 12 Describe and illustrate the process of normalizing (step by step from 1NF till BCNF) the…

A:

Q: Describe the Second Normal Form (2NF) and give an example of a table that is in 1NF but not in 2NF.

A: The Second Normal Form (2NF) is a concept in the realm of database normalization within computer…

Q: How does the primary key of a relation relate to the interdependencies among its other attributes…

A: Answer: A primary key-foreign key relationship characterizes a one-to-numerous connection between…

Q: under what three circumstances does it become necessary to generate a surrogate key in place of the…

A: This question comes from Database Management System which is a paper of Computer Science. Let's…

Q: Consider the relations Student(name, Marks) and Teacher(ID, name, Salary) in which name is the…

A: Natural join joins two table based on common attribute.

Q: 13 of 40 Consider the following E/R diagram with isa relationships, noting that attribute a is the…

A: The correct relation for given ER diagram is ST(a,b,c,d)

Q: Define three conditions under which it is appropriate to use a surrogate key in place of the primary…

A: Prerequisites for the suggestion of a surrogate key. There are three circumstances that indicate it…

Q: Elaborate on the five Major uses of entity relationship diagrams in database

A: Entity-Relationship Diagrams (ERDs) are essential tools in database design, providing a visual…

Q: Because an EER discussion nearly always produces a normalised set of relations, what is the point of…

A: Normalization is a crucial part of the database design process, and its purpose is to reduce data…