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Q: By giving an example, define the following terms: A. Coding B. Relation and Relationship

A: Given data:-

Q: Give examples of relations that are: (a) reflexive and symmetric but not transitive (b) reflexive…

A: (a) Reflexive and symmetric but not transitive:   Let's consider a set A = {1, 2, 3}, and define a…

Q: Assume a relation schema R(a, b, c, d, e, f) with primary key (a, b) and the following full func-…

A: Functional Dependencies:- Functional dependencies are the result of the interrelationship between…

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: a) T(n) = T(n – 1) + 2" , T(1) = 1 n b) T(n) = 3T () + n², T(n) = 1 for n < 10 c) T(n) = T()+ T +n,…

A: Time complexity of the given functions using substitution method

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: 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: Relations 2. Given: Relation R1 = {(a,a), (a,b), (c,b), (c,e), (d,b), (d,e), (e,e)} %3D Relation R2…

A: Relation R1 = {(a,a), (a,b), (c,b), (c,e), (d,b), (d,e), (e,e)} Relation R2 = {(q1,q2), (q2,q3),…

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: Describe the most common way in which relationships in an E-R diagram are expresses in a…

A: ER  diagram ER  diagram is defined as the interconnection of entities and attributes how they are…

Q: Transform an entity-relationship (E-R) diagraminto an equivalent set of well-structured(normalized)…

A: Lets see the solution.

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-&gt;b, d d -&gt; e, f Here a is primary key for the given…

Q: Here we explain three cases when it makes sense to use a surrogate key in lieu of the relation's…

A: In certain scenarios, using a surrogate key instead of the main key of a relation can be a sensible…

Q: schematic diagram to the Acid value of oil.

A: Schematic diagram: A schematic diagram is a picture that represents the components of a process,…