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

Q: Here's a relation (R), its attributes and its functional dependencies (F): R(A, B, C, D, E, F, G)…

A: Given functional dependencies: BC -> DG CD -> F FG -> A 1. Closure of {ACD}+ is: {ACD}+ =…

Q: Please written by computer source The following relation is an extract from a restaurant…

A: Introduction : This question involves analyzing a relation from a restaurant point-of-sale (POS)…

Q: For each part of this problem you will need to construct a single SQL query which will check whether…

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

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: What is the maximum number of super keys for the relation R1(P, Q, R, S) with R as the key? (a) 6…

A: Answer: Given R1 has 4 Attribute P,Q,R and S

Q: Let us consider the following relational database. Students(stuID, lastName, firstName, major, gpa)…

A: The SQL INSERT INTO statement is used to add new rows of data to a table in the database.while…

Q: Problem 1: A database for an online store has the following relational schema to keep track of…

A: A functional dependency in the setting of relational databases is a connection between two or more…

Q: database relation R into relations R₁ and R₂, we want R₂ MR₂R so that no tuples in R is lost. This…

A: In other words, lossless decomposition is a way of normalizing a database by breaking down a large…

Q: Random Hospital Example ERD Problem Follow the Simple Procedure for ERD diagramming to design an…

A: ans given below

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: Database Systems For each part of this problem you will need to construct a single SQL query which…

A: Answer is given below

Q: Create a conceptual schema for the following database domain. To make it completely clear, only one…

A: In the domain of managing books, chapters, authors, and various types of books, a comprehensive…

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: Given relations P and Q, both over attributes A and B, write a query in relational algebra under bag…

A: Q is always contained in the answer to P.

Q: Consider a relation R with six attributes A, B, C, D, E, F. You are given the following…

A: In the context of databases, a relation refers to a table or a set of tables within a relational…

Q: Based on the following functional dependencies, for the relation SCHEDULE bring it into a set of…

A: To bring the relation SCHEDULE into a set of 3NF relations, we need to identify the functional…

Q: Let R(a, b, c), S(a, b, c), and T(a, b, c) be three relations. Write one or more Datalog rules that…

A: Let R(a, b, c), S(a, b, c), and T(a, b, c) be three relations. Write one or more Datalog rules that…

Q: What precisely do you mean when you say that a dependence is transitive?

A: Different kinds of functional dependencies in DBMS: A relation between two properties of a related…

Q: Problem 1 Convert the following relation to 2NF, and then to 3NF. Show both conversions. (h, n, c,…

A: In this question, first, we find the 2NF. In 2NF, for relations where the primary key contains…

Q: class type | country bb Germany numGuns | bore | displacement Bismarck 8 15 42000 Iowa bb USA 16…

A: Hey there, I am writing the required solution based on the above given question. Please do find the…

Q: For each of the following pairs of expressions, give instances of relations thatshow the expressions…

A: Right Outer Join: When two tables are joined using Right Outer Join, all the records from the second…

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: Sterile Reports Research Example ERD Problem

A: Answer is given below.

Q: Given the relation R(A, B, C, D, E, F), the following functional dependencies exist: B --> C, D D…

A: Given : R(A, B, C, D, E, F) B --> C, DD --> F

Q: Consider a relation (p, q, r, s, t, u, v) with functional dependencies as given below: p>q r>s,t…

A: Defined candidate key for the given relational schema