what is meant by physical blocksthe input and
What is meant by Physical blocks?
The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
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what is a recovery schemean integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed
what are the two types of errorsthe two types of errors area logical errorb system
what are the storage typesthe storage types area volatile storageb nonvolatile
define blocksthe database system resides eternally on non-volatile storage and is into fixed-length storage units known as
what is meant by physical blocksthe input and output operations are completed in block units the blocks residing on the disk are referred to as
what is meant by buffer blocks and disk buffer the blocks residing temporarily in main memory are referred to as buffer blocksthe area of memory
what is meant by log-based recoverythe most widely used structures for recording database changes is the log the log is a sequence of log records
what are uncommitted modificationsthe immediate-modification technique permits database modifications to be output to the database whereas the
define shadow pagingan alternative to log-based crash recovery method is shadow paging this technique requires fewer disk accesses than do the
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