Relational Database Management System Mcqs

Page No. 53

The area of memory where blocks temporarily reside is called as ________


aBlock buffer

✖


bDisk buffer

✓


cPhysical buffer

✖


dNone of the mentioned

✖


View Answer Disk buffer

The blocks residing on the disk are referred to as ___________


aPhysical blocks

✓


b Buffer blocks

✖


cDisk blocks

✖


dDisk buffer

✖


View Answer Physical blocks

State true or false: The destination block has incorrect information in case of a total failure


aTrue

✖


bFalse

✓


ceither true and false

✖


dnone of these

✖


View Answer False

If a failure has occurred in the midst of a transfer, it is called as _________


aSuccessful completion

✖


bPartial failure

✓


c Total failure

✖


dNone of the mentioned

✖


View Answer Partial failure

Which of the following is not a classification of storage


aVolatile storage

✖


bNonvolatile storage

✖


cStable storage

✖


dNone of the mentioned

✓


View Answer None of the mentioned

The assumption that the hardware errors bring the system to a halt is called as ________


aHalter assumption

✖


bPhantom assumption

✖


cFail-stop assumption

✓


dDisk failure

✖


View Answer Fail-stop assumption

If there is a hardware malfunction or a bug in the database that causes the loss of content of volatile storage, it is called as ________


aLogical error

✖


bSystem error

✖


cSystem crash

✓


dNone of the mentioned

✖


View Answer System crash

If a system has entered and undesirable state due to which it is unable to continue with normal execution, it is called as _________


aLogical error

✖


bSystem error

✓


cSystem crash

✖


dNone of the mentioned

✖


View Answer System error

If the transaction can no longer continue with its normal execution because of some internal condition, it is called as a _________


aLogical error

✓


bSystem error

✖


cSystem crash

✖


dNone of the mentioned

✖


View Answer Logical error

Which of the following can cause a transaction failure


aLogical error

✖


bSystem error

✖


cMore than one of the mentioned

✓


dNone of the mentioned

✖



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