Relational Algebra Questions and Answers in DBMS Master the fundamentals of relational algebra with our detailed step-by-step solutions to common DBMS questions. This guide is perfect for students preparing for GATE, UGC NET, and technical interviews. Understand core concepts …
GATE Practice Question In a GATE test series on theoretical computer science, the following logical statements are presented to evaluate students’ understanding of predicate logic and integer arithmetic. Assume the domain is the set of all integers. Q1: ∀a ∀b …
9 Practice Problems with Solutions for GATE, UGC NET, ISRO, and NIELIT Exams Competitive exams like GATE, UGC NET, ISRO, and NIELIT require not only theoretical knowledge but also rigorous practice to excel. Solving a variety of logical reasoning and …
Mastering Relational Algebra, SQL, and Functional Dependencies for Competitive Exams In today’s competitive world, mastering database concepts is not just a requirement for academic excellence but also a necessity for clearing challenging competitive exams like GATE CSE, UGC …
Question 1 Consider a relation schema S = (P, Q, R, T, U, V) with the following functional dependencies: P → Q P → R QR → V QR → U Q → T Which of the following is a …
This detailed learning plan provides an in-depth, structured approach to mastering Data Warehousing and Data Transformation, essential topics for competitive exams like GATE and NTA UGC NET. The course is divided into phases, modules, and weekly goals, helping aspirants cover …
GATE Question (GATE CSE 1992 | Question: 13b) Suppose we have a database consisting of the following three relations: FREQUENTS(Customer, Hotel): Indicates the hotels each customer visits. SERVES(Hotel, Snack): Tells which snacks each hotel serves. LIKES(Customer, Snack): Indicates which …
This post explores the concepts of Third Normal Form (3NF) in relational databases and the types of functional dependencies that may still exist in a 3NF database. We provide a detailed discussion to help you master these crucial concepts for …
GATE CSE 1990: Analyzing Finite Automata and Regular Languages Original Question GATE CSE 1990 Question 3(ii): Consider the following finite automaton: a ↗ ↘ →(q0) (q1) ↖ ↙ ↘ b a (q2) ↺ a What is the language accepted …
Original Question GATE CSE 1990 Question 2(iv): Consider the following relational algebra expression: πA(R ⋈ (S ⋈ T)) where R, S, and T are relations, and A is a set of attributes. Suggest how this expression can be optimized. Detailed …
Gate Question State True or False with reason: Logical data independence is easier to achieve than physical data independence. Answer and Explanation Answer: False Logical data independence is actually more difficult to achieve than physical data independence. Let’s explore why …
A comprehensive guide to understanding key database concepts for GATE aspirants Original GATE Question Year: 1990 Question Number: 2-iv Instructions: Match the following database concepts with their corresponding terms: Secondary index – (q) B-tree Non-procedural query language – …
