DBMS-DBMS CONCEPT Questions and Answers
DBMS Concepts questions with answers are crucial for students preparing for database-related aptitude and placement exams. Topics such as normalization, keys, constraints, and data models are frequently tested by companies like TCS, Accenture, and Infosys. Understanding how databases are structured and managed helps candidates solve conceptual and query-based problems confidently. This article provides DBMS interview and aptitude questions with clear explanations, focusing on real-world applications. Practice these database management system MCQs to improve your conceptual grasp and get ready for technical interviews and campus placement drives.
DBMS-DBMS CONCEPT
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45 questions
21. DBMS manage concurrent databases access and prevents from the problem and their mapping to the loss of integrity.
- TRUE
- FALSE
22. View definition language is used to specify the conceptual schema in the database.
- TRUE
- FALSE
23. Data storage definition language is used to specify the conceptual schema in the database.
- TRUE
- FALSE
24. Structured query language (SQL) and query by example (QBE) are the examples of fourth-generation language.
- TRUE
- FALSE
25. A transaction cannot update a record, delete a record, modify a set of records and so on.
- TRUE
- FALSE
26. Which of the following is related to information?
- data
- communication
- knowledge
- all of these
28. Which of the following is element of the database ?
- data
- constraints and schema
- relationships
- all of these
29. What represent a correspondence between the various data elements?
- data
- constraints
- relationships
- schema
30. Which of the following is an advantage of using database system?
- security enforcement
- avoidance of redundancy
- reduced inconsistency
- all of these