Derive the relations in unnormalized form (UNF), and normalize it from UNF to third normal form (3NF). Show all steps taken to normalize the relations and clearly state any assumptions made (if necessary).

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: Use normalization to decompose a relation with anomalies into well-structured relations?

A: Yes, Normalization are used to decompose a relationship with anamolies into a well structured…

Q: Find the properties of next relation? [101 100 001] a. Non reflexive and antisymmetric O b. Non…

A: Properties of relation are reflexive, Irreflexive, symmetric, antisymmetric, and transitive.

Q: Why is normalization useful, given that EER conversion will typically lead to a normalized set of…

A: In this answer I will be discussing Why is normalization useful, given that EER conversion will…

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

A: According to natural join, if more than one attribute is in common then natural join selects only…

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: 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: The number of relations which are either symmetric- or antisymmetric with 4 elements are

A: Introduction :Given ,4 elements we have to find the number of relations which are either symmetric…

Q: QUESTION 26 Consider a relation R(A B, C, D, E) with the following dependencies: AB-C, CD-E. DEB how…

A: Dear Student, A key is a candidate key if it's the minimum length key that can derive each…

Q: Explain with an appropriate example in the relational model.

A: Introduction: A relational model is a database that stores and makes available connected data…

Q: f the same meaning, b

A: There are two methods of expressions as,

Q: fy the Functional dependencies c) List down the keys

A: Question   a) Split Composite attributes (where needed / if any)b) Identify the Functional…

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: Write an SQL Assertion statement to enforce the functional dependency Title → Salary for the…

A: The above question includes two concepts of Assertion Statement and Functional Dependency Title->…

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: Do a Left Outer Join of relations D and C over their common attributes. D being the…

A: Below i have given query:

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: have 3), 5(2 (A, E) and the size (i.e., the number of rows) of each relation is as follows: TR =…

A: Dynamic programming is a technique in computer programming that helps to efficiently solve a class…

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…

Q: Write the three situations that suggest relations be denormalized before database implementation.

A: To be determine: Write the three situations that suggest relations be denormalized before database…

Q: List functional, partial and transitive dependencies if exists in the table given in Figure 01.…

A: The solution is given below.

Q: If there are more than one possible candidate keys, provide some instances of relations that have…

A: A candidate key is set of keys which uniquely identifies records. It is possible to have multiple…

Q: Normalize Table 1 to a set of Third Normal Form (3NF) relations. Your answer should show all the…

A: A relational database is a collection of tables. A table is a relation that holds values in rows and…

Q: (a) Use STUDENT and LECTURER tables shown below to answer questions (i) and (ii). Table name:…

A: Note: Multiple questions are given in one part. According to the rule, you will get the answer for…

Q: he database relation R(a, b, d, e, f) ibute b and d are dependent only on a; e y on d; and f only on…

A: The functional dependency possible are  a->b, d d -> e, f Here a is primary key for the given…

Q: 1. Consider a relational table R-(V,W,X,Y). Each of the cases below is based on a new and different…

A: Given relational table is, R=(V,W,X,Y) Normalization means splitting the large table into smaller…

Q: Provide an example of a relational algebra expression and an approach to query processing for each…

A: a. The most recently replaced block is included in the most recently used bath (MRU) policy. b. The…

Q: What is the degree of a relationship? Give anexample of each of the relationship degreesillustrated…

A: Degree of Relationship The degree of a relationship is that the variety of entity varieties that…

Q: w many partial dependencies exist in the relation? v many full dependencies exist in the relation? w…

A: 1)  Closure (AE) ={A, E, B, C, D, F, G} Closure (AEI) ={A, E, I, B, C, D, F, G, H, J, K, L} Key for…

Q: Convert any E-R diagram in a Relation.

A:

Q: Question #1 The aim of normalization is to eliminate various anomalies (or undesirable aspects) of a…

A: 1. Relational scheme: A relational schema is a database design template that represents the data…

Q: Given that an EER discussion nearly always produces a normalized set of relations, why normalize?

A: The process of building tables to eliminate redundancy or remove duplicate data from a database is…

Q: define UNIQUE and NON-UNIQUE indexes for relations.

A: Unique indexes are indexes that help maintain data integrity by ensuring that no two rows of data in…

Q: Which of the following statements is true about the above E-R diagram? I. The attribute G will be…

A: The given diagram is entity relationship diagram that has entities and relationships among the…

Q: Explanation of three circumstances in which a surrogate key should be generated for the main key of…

A: Surrogate key: It is a key that does not have any contextual meaning but is used to identify the…

Q: Given that an EER discussion nearly always produces a normalised set of relations, why normalise?

A: Introduction: Entity-relationship modelling, or ER modelling, is a way to design databases by…