Database Systems MCQs – Mock Test 406

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Free DBMS Basics for Students Study App Download (iOS & Android): "Simultaneous access of the same data at any given time by multiple users is known to be its"; MCQ with answers: isolation, atomicity, concurrency, and consistency. Practice Database System Architectures Questions and Answers, Google Book to download free chapter for database optimization studies.

DBMS Basics for Students MCQs – Mock Test 406 PDF Download

MCQ 2026: Simultaneous access of the same data at any given time by multiple users is known to be its:

Atomicity
Isolation
Consistency
Concurrency

MCQ 2027: A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as:

Structural query language
Operational query language
Procedural query language
Object based query language

MCQ 2028: The two-phase locking protocol ensures:

No Delays
Unlocking
Validation
Serializability

MCQ 2029: In cloud computing, provision servers are provided by:

Platform as a service
Infrastructure as a service
Software as a service
System as a service

MCQ 2030: An index entry appears for every search-key value in the file in the index form:

Sparse index
Clustering index
Dense index
Non-clustering index

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