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DBMS and RDBMS MCQs for Competitive Exams

Prepare for DBMS and RDBMS MCQs for Competitive Exams with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: DBMS and RDBMS

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Master DBMS and RDBMS MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for DBMS and RDBMS.
Past Papers
Includes frequently repeated questions from past examinations.
Solved & Verified
Each question features verified answers and conceptual explanations.

Preparation Guide & Key Focus Areas for DBMS and RDBMS MCQs

When preparing for DBMS and RDBMS MCQs (Computer Science - IT), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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481
Which DDL command is used to add a new column to a table?
482
Which constraint is a combination of `NOT NULL` and `UNIQUE`?
483
What is a transitive dependency?
484
In which data model is data organized in a tree-like structure, where each record has one parent and can have many children?
485
For a database table to be in Second Normal Form (2NF), it must first satisfy the requirements of:
486
What does the 'Durability' property of ACID ensure?
487
What is the purpose of an index on a table?
488
What is the difference between DELETE and TRUNCATE?
489
What is a primary key?
490
Which database professional is primarily responsible for designing and implementing the database?