Database Systems MCQs - Chapter 6
Database Recovery System Multiple Choice Questions (MCQs) PDF Download - 5
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Database Recovery System MCQs with Answers PDF Download: MCQ Quiz 5
WAL stands for
- Write-ahead logging
- Write-ahead language
- Wall-ahead logging
- Wall-ahead language
Logging of old-value and new-value information is called
- View logging
- Virtual logging
- Logical logging
- Physical logging
The area of memory where blocks reside temporarily is called
- Logical buffer
- Physical buffer
- Disk buffer
- Blocks buffer
In log-based schemes, all updates are recorded on
- Blocks
- Logs
- Disks
- Main memory
The number of fields in an update log record are
- 3
- 4
- 5
- 6
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Database Systems Practice Questions
Database & MySQL MCQ with Answers
- Operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as
- If in JOIN operation, conditions of JOIN operation are not satisfied then results of operation is
- Type of classes which specifies operations and attributes but corresponding classes are not available are classified as
- Name of operation and type of data of parameters must be included in
- Considering conceptual synthesis and refinement, generalization process is classified as
Database Recovery System MCQ Book Questions
- If any of input values is null, result of an arithmetic expression, would be
- SQL structures permitted in host language constitute
- A subquery that uses a correlation name from an outer query is called a
- Interface ResultSet has a method, getMetaData(), that returns a/an
- Detection of system failures and restoring database to state that existed prior to occurrence of failure, is known as