Database Systems MCQs - Chapter 3
Concurrency Control Multiple Choice Questions (MCQ) PDF Download - 2
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Concurrency Control MCQ with Answers PDF Download: Quiz 2
A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called
- Lock-point two-phase locking protocol
- Deadlock two-phase locking protocol
- Strict two-phase locking protocol
- Rigorous two-phase locking protocol
The deadlock prevention scheme that requires each transaction to locks all its data items before it begins
- Initialization
- Execution
- Evaluation
- Processing
The deadlock prevention scheme named wound-wait is a
- Non-linear preemptive technique
- Linear preemptive technique
- Preemptive technique
- Nonpreemptive technique
A transaction that is inserting a new tuple into the database is given an
- Shared lock
- Mutual lock
- Exclusive lock
- NO lock
The multiple-granularity locking protocol uses multiple lock modes to ensure
- Sequence
- Serializability
- Deadlocks
- Locking
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Database & MySQL MCQ with Answers
- Indexes which specifies address of records on disk with a physical pointer are classified as
- Kind of constraint which cannot let two entities to have similar values is classified as
- Operation which is used to take union of tuples from relations that are not union compatible is classified as
- Storage capacity of computer system is measured in
- DBMS in which systems involved are coupled together while having local autonomy is classified as
Concurrency Control MCQ Book Questions
- Construct that a recursive query should not use on recursive view, is
- Mapping cardinalities are useful in describing
- Each database system supporting ODBC provides a/an
- To specify a normal join, using keyword inner is
- A method that uses two independent pieces/processes of information to identify a user is known as