Database Systems MCQs – Mock Test 328

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Application Performance MCQ – Mock Test 328 PDF Download

MCQ 1636: For exploiting commonalities between transactions, the various types of techniques used are named as:

Caching techniques
Buffering techniques
Queuing techniques
Accessing techniques

MCQ 1637: The most common concurrency-control schemes includes locking protocols and:

Timestamp-ordering schemes
Validation techniques
Multiversion schemes
All of the Above

MCQ 1638: The process of restricting users from querying some tables or executing database statements is called:

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

MCQ 1639: In order to validate set-difference operation r -s, the requirement is that the r and s be of same:

Structure
Declaration
Arity
Definition

MCQ 1640: The keys must be chosen crucially and carefully is:

Unique key
Superkey
Primary key
None of the above

Application Performance MCQs App & eBook – Database Systems Entrance Tests

Database Authorization MCQs

Recursive Queries MCQs

Additional Basic Operations MCQs

Database Users and Administrators MCQs

Decomposition using Functional Dependencies MCQs

Relational Databases MCQs

Set Operations MCQs

Constraints in DBMS MCQs

SQL Data Definition MCQs

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