GATE CSE 2024 Set 2 | Er Diagrams Question 1 | Database Management System

GATE CSE 2024 Set 2

MCQ (Single Correct Answer)

-0.33

In the context of owner and weak entity sets in the ER (Entity-Relationship) data model, which one of the following statements is TRUE?

The weak entity set MUST have total participation in the identifying relationship

The owner entity set MUST have total participation in the identifying relationship

Both weak and owner entity sets MUST have total participation in the identifying relationship

Neither weak entity set nor owner entity set MUST have total participation in the identifying relationship

GATE CSE 2024 Set 1

MCQ (Single Correct Answer)

-0.33

Let S be the specification: "Instructors teach courses. Students register for courses. Courses are allocated classrooms. Instructors guide students." Which one of the following ER diagrams CORRECTLY represents S?

GATE CSE 2024 Set 1 Database Management System - Er Diagrams Question 2 English 1

(i)

(ii)

(iii)

(iv)

GATE CSE 2023

MCQ (Single Correct Answer)

-0.33

Which one of the options given below refers to the degree (or arity) of a relation in relational database systems?

Number of attributes of its relation schema.

Number of tuples stored in the relation.

Number of entries in the relation.

Number of distinct domains of its relation schema.

GATE CSE 2020

MCQ (Single Correct Answer)

-0.33

Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram?

Rectangles with double/bold border

Diamonds with double/bold border

Ovals that contain underlined identifiers

Ovals with double/bold border

GATE CSE Subjects

Discrete Mathematics

Mathematical Logic Probability Set Theory & Algebra Combinatorics Linear Algebra Graph Theory Calculus

Programming Languages

Basic of Programming Language Function and Recursion Pointer and Structure in C

Theory of Computation

Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine Undecidability

Operating Systems

Process Concepts and Cpu Scheduling Synchronization and Concurrency File System IO and Protection Deadlocks Memory Management

Digital Logic

Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits

Computer Organization

Computer Arithmetic Memory Interfacing Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface Secondary Memory

Database Management System

Er Diagrams Functional Dependencies and Normalization Structured Query Language Relational Algebra Transactions and Concurrency File Structures and Indexing

Data Structures

Arrays Stacks and Queues Linked List Trees Graphs Hashing

Computer Networks

Network Security Data Link Layer and Switching Application Layer Protocol Network Layer Routing Algorithm Concepts of Layering Lan Technologies and Wi-Fi TCP UDP Sockets and Congestion Control

Algorithms

Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method Dynamic Programming P and NP Concepts

Compiler Design

Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization

Software Engineering

Web Technologies

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability