Database Systems MCQs – Practice Test for Exam Prep

DBMS for Competitive Exams Multiple Choice Questions with Answers – PDF Download

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Free "DBMS for Competitive Exams Learning" App Download with MCQ: While an DDL operation acts on or refers to the object, it is protected by; with answers: encapsulation, encryption, locking, and views log to strengthen SQL techniques. Practice DBMS for Competitive Exams Quiz Questions, download Google e-Book (Free Chapter) to develop database intelligence.

DBMS for Competitive Exams MCQs PDF Download – Prep Test

MCQ 1: While an DDL operation acts on or refers to the object, it is protected by:

Encapsulation
Encryption
Locking
Views log

MCQ 2: Restricting data access and database activities is the responsibility of:

Data concurrency control
Data access control
Data atomicity control
Data integrity control

MCQ 3: Oracle Database acquires a DDL lock on behalf of?

Explicit action
Transaction
Query
Retrieval

MCQ 4: The definition of a schema object is protected through:

Data dictionary lock
Data declaration lock
Data definition lock
Data administrator lock

MCQ 5: The data dictionary cache holds data in the form of:

Blocks
Buffers
Rows
Columns

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