Q1: What are the potential problems when a DBMS executes multiple transactions concurrently? Question: What are the potential problems when a DBMS executes multiple transactions concurrently? Phantom problem The dirty read problem Unrepeatable read problem All of the above Answer: …
Question 1: Functional Dependencies Suppose the following functional dependencies hold on a relation V with attributes A, B, C, D, and E: A → BC CD → E Which of the following functional dependencies can be inferred from the above …
Tables and Keys in DBMS Introduction Tables and keys form the backbone of relational databases, organizing data in structured formats. Understanding these concepts is essential for mastering Database Management Systems (DBMS). Key Concepts: Relational Database: The most widely used …
GATE 2025: DBMS Weightage, Important Topics, and Detailed Analysis Introduction Database Management System (DBMS) is one of the most important subjects for GATE CS/IT aspirants. It consistently contributes 7-8 marks, making it a high-scoring and easy-to-master subject. In this post, …
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 …
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 …
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 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 …
GATE CSE 1987 Question 2n: Functional Dependencies in Databases Original GATE Question Year: 1987 Question Number: 2n Question: Does a relation r with schema (X, Y) satisfy the functional dependency X → Y, and can the tuples ⟨1, …
Discover the fundamentals of CPU scheduling in operating systems. This guide covers key terminologies, different scheduling algorithms, and their impact on system performance, complete with numerical examples. Introduction CPU scheduling is a fundamental concept in operating systems that ensures efficient …
Introduction to Process Management Process management is a cornerstone of operating systems, playing a critical role in ensuring that a computer system runs efficiently and smoothly. It manages the execution of multiple processes, optimizes the use of CPU, and ensures …
