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 – …
GATE CSE 1987 Question 2n: Mastering Functional Dependencies in Databases Are you preparing for GATE CSE and struggling with database concepts? Let’s dive deep into a classic question from GATE CSE 1987 that tests your understanding of functional dependencies. This …
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, …
Introduction In the realm of operating systems (OS), process scheduling plays a crucial role in ensuring efficient CPU utilization and smooth multitasking. The scheduler is responsible for deciding which process gets to execute at any given time, ensuring that system …
Process Schedulers in Operating Systems Understand the key concepts of process schedulers, their types, and roles in operating systems, with real-life examples from Windows, UNIX/Linux, and macOS. Essential knowledge for GATE and UGC NET preparation. Introduction Process scheduling is one …
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 …
