CS403 Midterm Preparation 2026 | DBMS MCQs | SQL Queries | Important Questions | Past Papers

Prepare CS403 Midterm Exam 2026 with important MCQs, SQL queries, ER diagrams, normalization, relational algebra, joins, transactions, concurrency control, repeated past papers, short questions, and long questions for Virtual University students.

Important Midterm Topics
Introduction to DBMS
Database Models
ER Diagrams (ERD)
Relational Model
SQL Queries
Primary Key & Foreign Key
Joins
Normalization
Relational Algebra
Transactions
Concurrency Control
Database Recovery
Functional Dependencies
Long Questions
Explain normalization with examples.
Differentiate between DBMS and File System.
Explain ER Model and ER Diagram.
Discuss relational algebra operators.
Explain transaction management in DBMS.
Short Questions
Define DBMS.
What is a primary key?
Define foreign key.
What is normalization?
Define tuple and attribute.
Difference between DELETE and DROP.
What is SQL?
Define entity relationship.
Tags

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