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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