Database Systems MCQs - Chapter 3
Concurrency Control Quiz Questions & Answers PDF Download - 3
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Concurrency Control Exam Questions and Answers PDF Download: Test 3
Concurrency control is a challenging task for transactions that have
- Application accesses
- I/O activities
- User interactions
- Application interactions
For dealing with the deadlock problem, the principal methods are of
- 2 types
- 3 types
- 4 types
- 5 types
For deadlock prevention, when we use an ordering of data items, the request locks are sequenced in
- Consistent with access
- Consistent with relation
- Consistent with ordering
- Consistent with execution
Cascading rollbacks can be avoided by
- Strict two-phase locking protocol
- Rigorous two-phase locking protocol
- Deadlock two-phase locking protocol
- Lock-point two-phase locking protocol
A process known to receive messages from transactions and in response send messages, is
- Recovery manager
- Lock manager
- Process manager
- Database administrator
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- Implications of database management approaches includes
- In database management system, module which is designed to be used on workstation and personal computer systems is classified as
- Hierarchical models and network models are considered as types of
- Data model in which relationships are explained in terms of attributes is classified as
- Kind of class whose entities belongs to some other data class is called
Concurrency Control MCQ Book Questions
- Application server in a three-tier architecture, communicates with a database system to access
- A system in which at most one user can access database at any given time, is known as
- DMLs type that is also referred as nonprocedural DML, is
- Term that allows specification of not only a set of relations, but also information about each relation, is known as
- Domain constraints and referential-integrity constraints are special forms of