Axioms of Functional Dependencies in DBMS The Axioms of Functional Dependencies (also known as Armstrong’s Axioms) are a set of rules used to infer all possible functional dependencies from a given set of FDs. These axioms are sound (valid) and …
Are you preparing for GATE CSE, NTA UGC NET, ISRO, or NIELIT Computer Science exams? Understanding DBMS and mastering SQL is crucial for scoring high in competitive exams. This article contains carefully selected practice questions on functional dependencies, normalization (3NF …
Question 1: Rent Payment Management in Hotel System Consider the entities ‘Apartment’ and ‘Tenant’ with a many-to-many relationship ‘Lease’ as shown below: If we wish to store information about the monthly rent paid by tenants occupying different apartments, this information …
Solved Problems on Keys and Super Keys Introduction Understanding keys and super keys is essential for mastering Database Management Systems (DBMS). These solved problems will help you grasp how to calculate the number of super keys in different scenarios, …
Integrity Constraints in DBMS Introduction Integrity constraints are essential rules applied to database tables to ensure data accuracy, consistency, and validity. They prevent invalid operations that could corrupt the database or violate logical rules, making them a cornerstone of …
Why Not Simply Use Files? Introduction File systems are often the first choice for storing data when learning basic programming. Languages like C, C++, Python, and Java offer robust file-handling functionalities with commands like fopen, fprintf, and fscanf. However, …
Why Are Databases Important? Databases are indispensable in today’s professional world. They rank second only to programming as a critical skill for software engineers. Whether you are managing customer data, processing orders, or analyzing trends, databases are at the core …
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 …
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 …
Introduction Sequence points in C are critical for writing reliable and predictable code. They define specific points during program execution where all side effects of previous operations are guaranteed to be complete, and no side effects from subsequent operations have …
Introduction Welcome to the world of Competitive Programming, a mental sport that sharpens your coding skills and challenges your problem-solving abilities. Imagine the thrill of solving complex problems under time constraints, honing your analytical and logical thinking, and competing with …
