It is feasible to design a link such as sec course from a collection of many-to-one connections. Does the many-to-one cardinality limitation of the relation get enforced by the primary and foreign key constraints? Why do you believe that?

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

A: The primary key in a database serve a critical role as a only one of its kind identifier for every…

Q: Give an algorithm for testing whether a relation scheme is in BCNF. The algorithm should be…

A: The question has been answered in step2

Q: Which of the followings can possibly be a canonical cover Fc of a set F of functional dependencies?…

A: The answer to this question is option b) {A → D, AB → C, D → B} and d) {A → C, D → B, AB → C}

Q: Sort the generic definitions from the primary key-based definitions of 2NF and 3NF. Give a detailed…

A: The answer to the question is given below:

Q: Make a hybrid merge-join variant that works in scenarios where neither relation is physically sorted…

A: Introduction: Merge join and hybrid merge join are different. Before utilising merge join, we sorted…

Q: Explore the concept of multi-valued dependencies and their relevance in higher normal forms beyond…

A: Normal forms in database design refer to a collection of principles that aid in the arrangement and…

Q: In three instances, the substitution of a surrogate key for the primary key of a connection has been…

A: Introduction In data analysis, a surrogate key is a key with no contextual relevance used to…

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: Consider again the relation schema R and the set of functional dependencies F in Question no. 5.…

A: Lets see the solution  in the next steps

Q: It is feasible to design a link such as sec course from a collection of many-to-one connections.…

A: INTRODUCTION: Each table must have a primary key to guarantee the entities' integrity. Null values…

Q: Let R(A,B,C,D) be a relation with the set of functional dependencies F={AB->C,C->D). Decompose the…

A: Answer is

Q: This article describes three situations when using a surrogate key instead of the connection key is…

A: A surrogate key is a fictitious primary key used to uniquely identify a record in a database table.…

Q: In three instances, the substitution of a surrogate key for the primary key of a connection has been…

A: The question has been answered in step2

Q: Make a hybrid merge-join variant that works in scenarios where neither relation is physically sorted…

A: Introduction: Merge join and hybrid merge join are different. Before utilising merge join, we sorted…

Q: Let R(A,B,C,D,E,F,G) be a relation with the FDs: F= (CDG, DG-C, AD-G, G-A, AB-F). Consider the…

A:

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: We need to discuss if it is possible to have two clustering indices for different search keys on the…

Q: 5. Consider a relation R(A, B, C, D, E) with the following dependencies: AB → C, CD → E, DE → B

A: Given:  Consider the relation R(A,B,C,D,E) with the following dependency: AB -> C  CD -> E  DE…

Q: A link like the second course can be built from a collection of many-to-one relationships. Do the…

A: Consider a many-to-one connection that generates a relationship with primary and foreign key…

Q: Constructing a link such as second course may be done by starting with a number of connections that…

A: Introduction: Let's say we have a connection that was produced from a many-to-one relationship and…

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: Indices and its objective Indices offer a connection to data that has a particular value. Indices…

Q: oximiation, and how can it be performed using fuzzy rel

A: Introduction: Below describe the approximation and how can it be performed using fuzzy relation?

Q: Sort the generic definitions from the primary key-based definitions of 2NF and 3NF. Give a detailed…

A: A Primary key a key in a relational database that is unique for each record.

Q: A link like the second course can be built from a collection of many-to-one relationships. Do the…

A: Consider a connection: That results from a many-to-one relationship with limitations on the primary…

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: Indices and the function it serves: Indices serve as a connection to the data associated with a…

Q: When is it necessary to represent a many-to-many connection using an associative entity?

A: Associative entity modeling A connection that has been turned into an entity with characteristics is…

Q: We studied different properties of relations like reflexive, symmetric, antisymmetric, transitive.…

A: Lets see the solution in the next steps

Q: ind a minimal covering of these functional dependencies. Then use it to synthesize a set of…

A:

Q: Using the primary key definitions from the 2NF and 3NF, order the generic definitions. Give a…

A: According to the information given:- We have to define using the primary key definitions from the…

Q: We have the following relation: Subscriptions(ID, startingdate, length, customerID, customerName,…

A:

Q: Suppose you have a Relation that has an atomic Primary Key and noRepeating Groups. All non-key…

A: According to the details provided about the relation, the relation is in 2NF. This relation has to…

Q: Consider a relation R={A,B,C,D,E,F,G,H,I} with the set of functional dependencies and determine,…

A: Now we must determine the above definition whether for each FD. Each value is super key or not on…

Q: A link like the second course can be built from a collection of many-to-one relationships. Do the…

A: Consider a connection: That results from a many-to-one relationship with limitations on the primary…

Q: Given a relation schema R = (A, B, C) and its functional dependencies F = {A →B, B→ C). Suppose R is…

A: Answer is given below-

Q: Given the relation R (A, B, C, D, E) and the following set of functional dependencies: F = {ABC,…

A:

Q: Consider relation R in the following E/R diagram. If E1 has 3 entities, E2 has 4 entities, and E3…

A: Given Data : Number of entities in E1 = 3. Number of entities in E2 = 4. Number of entities in E3 =…

Q: Suppose a relation schema R = (A, B, C, D) is decomposed into following relations R1(A,B,C) and…

A: A relation schema R is decomposed into R1 and R2

Q: Consider the relation sec course, which is the result of a many-to-one connection set sec course. Do…

A: Foreign keys are columns or groups of columns in a relational database table that serve as a…

Q: Could you tell a step by step procedure of finding a super key for A relation R(A,B,C,D, E) having…

A: Solution - In the given question, we have to find the super key of the given relation R(A,B,C,D,E).…

Q: Let's suppose, a relation R=(A, B, C, D, E. H) with a set of functional dependencies F: (AE->BC, B…

A: Functional dependency is a DBMS concept . In this attributes of relations  are dependent on each…