A                      is the smallest unit of information that can be read from or written to the disk.

Related MCQs

• 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.
• Each of a pair of transactions has read data that is written by the other, but there is no data written by both transactions, is referred to as
• 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.
• The file organization which allows us to read records that would satisfy the join condition by using one block read is
• The file organization which allows us to read records that would satisfy the join condition by using one block read is
•                      scheme that records only information about dirty pages and associated information and does not even require of writing dirty pages to disk.
•                  is the smallest unit of allocation in an Oracle database.
• ________ is the smallest unit of allocation in an Oracle database.
• A block that is not allowed to be written back to disk is said to be                              
• The                                policy, allows a transaction to commit even if it has modified some blocks that have not yet been written back to disk.