A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by

Related MCQs

• Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
• Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
• 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.
• 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.
• Which level of RAID refers to disk mirroring with block striping?
• A block that is not allowed to be written back to disk is said to be                              
• In the buffer where there is no space for another block, the block can be inserted using
•                                        frees the space occupied by a block as soon as the final tuple of that block has been processed.
• If no header is specified, the block is said to be an                                PL/SQL block.
• The name of the system database that contains descriptions of data in the database is