lation R on a set S, defined as x R y if and only if y R x. This is an example of? a) reflexive relation b) symmetric relation c) transitive relation d) invalid re

Q: (Q.17) Consider this functional dependencies {AB->C, BC->D, CD->E, E->F} Which of the following…

A: Given: {AB->C, BC->D, CD->E, E->F}

Q: : Composition and relation properties. For the following statements, provide a proof if the…

A:

Q: DEFINING BUSINESS RULES FOR A VIDEO RENTAL STORE Think about how your local video rental store…

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Q: p.641, icon at Example 9 # 2. Let A be the set of real numbers, and R be the equivalence relation R…

A: 3. Number of equivalence classesWe saw that there are two equivalence classes:One class contains all…

Q: In the use case diagram the actor X has additionally to the actor Y some specific use cases, we can…

A: Answer to the given question: In the use case diagram, actor X has added to actor Y some specific…

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A: ANSWER: Introduction of Trading Company: Classes and Interfaces in the…

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A:

Q: Q1: A trading company wish to maintain a database of its staff, the database is indude name age,…

A: Step 1 Introduction to trading company Classes and Interfaces in the javaeetutorial.trading.rar.api…

Q: The listed at the be Mark the following statements as true or false. All members of a struct must be…

A: a) False, as it can be of the same type also, not necessary to be different types.   b) True, struct…

Q: DEL (30 %): Normalization: Let R bea relational schema and FR corresponding set of functional…

A: Tables are arranged using the normalization method in database architecture to lessen data…

Q: In 1) is context free. If so, enumerate some memb lent CFL.

A: Here are this question we have given a langauge and we have asked if this langauge is context free…

Q: hat is the relationship between InventoryItem and Book? A.- Dependency B -…

A: A database management system (or DBMS) is essentially just a computerized data management program. A…

Q: (c) If S and R are both anti-reflexive, then S∘R is anti-reflexive.

A: Actually, given question regarding  Composition and relation properties.

Q: Based on the following table and its functional dependencies, e NOT in Boyce-Codd Normal Form (BCNF)…

A: Below is the detailed and simplified solution for the above listed problem statement:

Q: What benefits does the GROUPING SETS function offer over traditional GROUP BY clauses?

A: In the realm of relational databases, data aggregation and summarization are crucial operations for…

Q: Give languages A and B such that A and B are both Decidable, but ANB is not.

A: Given:   Give language A and B such that A and B are both decidable, but A intersection B not

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A: This falls under Designs with UML. To draw an interaction diagram for above scenario. Interaction…

Q: In arithmetic operators, the order in which computations completed are are

A: Option A is  the answer

Q: Al/ Which of these relations on {0, 1 , 2, 3 } are equivalence relations, why? a) R1= {(0, 0), (1,…

A: Note: As per our guidelines, we are allowed to solve only first question of multiple question.…

Q: 3. Dependency Inversion Principle: high-level modules should not depend upon low level modules. Both…

A: The answer is given below:-

Q: (Q.17) Consider this functional dependencies   {AB->C, BC->D, CD->E, E->F}   Which of the…

A: ANSWER OF THE GIVEN QUESTION: Functional Dependency (FD) is a requirement that decides the…

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career. 

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is: