Database Systems MCQs - Chapter 6
Database Recovery System Multiple Choice Questions (MCQs) PDF Download - 5
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Database Recovery System Questions & Answers PDF Download: MCQ Quiz 5
MCQ 21: WAL stands for
- Write-ahead logging
- Write-ahead language
- Wall-ahead logging
- Wall-ahead language
MCQ 22: Logging of old-value and new-value information is called
- View logging
- Virtual logging
- Logical logging
- Physical logging
MCQ 23: The area of memory where blocks reside temporarily is called
- Logical buffer
- Physical buffer
- Disk buffer
- Blocks buffer
MCQ 24: In log-based schemes, all updates are recorded on
- Blocks
- Logs
- Disks
- Main memory
MCQ 25: The number of fields in an update log record are
- 3
- 4
- 5
- 6
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- Operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as
- Attributes that can be arranged into hierarchy are called
- Type of attributes that can be divided into smaller parts is classified as
- Package of software that facilitate the modeling of database and improved performance
- Time period required to transfer blocks in consecutive order is classified as
- Class diagram, component diagram, object diagram and deployment diagram are considered as types of
Database Recovery System MCQ Book Questions
- If any of the input values is null, the result of an arithmetic expression, would be
- Command that is used to add attributes to an existing relation, is said to be
- Application server in a three-tier architecture, communicates with a database system to access
- To specify a normal join, using the keyword inner is
- Algebraic operation that outputs specified attributes from all rows of the input
- SQL allows comparison operations on the data types i.e.