December 2002
Intermediate to advanced
928 pages
85h 29m
English
DB_FILE_DIRECT_IO_COUNT
Value: operating system dependent
Default: 64
Specifies the number of blocks to be used for I/O operations performed by backup, restore, or direct path read and write functions. The I/O buffer size is a product of DB_FILE_DIRECT_IO_COUNT and DB_BLOCK_SIZE and cannot exceed the maximum I/O size for the platform. Obsolete with Oracle9i.