Database Systems MCQs - Chapter 8
Database Transactions Multiple Choice Questions (MCQ) PDF Download - 2
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Database Transactions MCQ with Answers PDF Download: Quiz 2
Atomicity is ensured by a component of the database called the
- Evaluation manager
- Control manager
- Recovery manager
- Quality manager
A transaction is said to be a unit of program's
- Evaluation
- Execution
- Computation
- Controlling
A single transaction failure may result into a set of transaction rollbacks, is known to be
- Iterated rollback
- Cascadeless rollback
- Cascading rollback
- Serial rollback
Transactions access data using operations of
- 2 types
- 3 types
- 4 types
- 5 types
Serializability of schedules can be ensured through a mechanism called
- Concurrency control policy
- Evaluation control policy
- Execution control policy
- Cascading control policy
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- Form of data model which focuses concepts in same way as data stored in computer system is classified as
- Concepts of data models that are only useful to computer specialists rather than end users of programs are classified as
- In linear hashing, formula of file load factor is
- Format or data type must be specified for
- Type of constraints that specifies uniqueness of data stored in database are considered as
Database Transactions MCQ Book Questions
- Command that is used to add attributes to an existing relation, is said to be
- SQL supports nested subqueries in where, and from clauses of an
- Solution to improving reliability is to introduce
- It is easy to understand how tables may be stored in
- To represent data in database, and need of efficiency has led designers to use