Definitions for "Buffer Cache"
Keywords:  lru, sga, cache, kernel, bchr
The database buffer cache is the portion of the SGA that holds copies of data blocks read from data files. All user processes concurrently connected to the instance share access to the database buffer cache. See Also: system global area (SGA)
The area of memory that contains the blocks of data read from and/or waiting to be written to disk.
Physical memory used to improve system performance by storing disk blocks which have been read.
Keywords:  recovery, guide, book, search, manager
(Recovery Manager User's Guide and Reference; search in this book)