The                is that part of main memory available for storage of copies of disk blocks.

Related MCQs

• Hybrid disk drives are hard-disk systems that combine magnetic storage with a smaller amount of flash memory, which is used as a cache for frequently accessed data.
•                      is increasingly being used in server systems to improve performance by caching frequently used data, since it provides faster access than disk, with larger storage capacity than main memory.
• The                                policy, allows a transaction to commit even if it has modified some blocks that have not yet been written back to disk.
• The                        policy, allows the system to write modified blocks to disk even if the transactions that made those modifications have not all committed.
•                              policy allows multiple updates to accumulate on a block before it is output to stable storage, which can reduce the number of output operations greatly for frequently updated blocks.
• There are “record-once” versions of the compact disk and digital video disk, which can be written only once; such disks are also called                      disks.
• __________ is a contiguous group of blocks allocated for use as part of a table, index, and so forth.
• The primary medium for the long-term online storage of data is the                       where the entire database is stored on magnetic disk.
• A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by
• The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as