Automatic shared memory management,”Enables you to exercise more control over the size of the SGA and is the default when automatic memory management is disabled. Oracle will tune the the total SGA to a supplied target size and will also tune the sizes of SGA components. There are few components that take the memory from teh SGA_TARGET parameter, leaving the memory avilable for the auomatically tuned parameters. Following SGA components need to be manually sized. LOG_BUFFER, DB_KEEP_CACHE_SIZE

Automatic shared memory management,”Enables you to exercise more control over the size of the SGA and is the default when automatic memory management is disabled. Oracle will tune the the total SGA to a supplied target size and will also tune the sizes of SGA components. There are few components that take the memory from teh SGA_TARGET parameter, leaving the memory avilable for the auomatically tuned parameters. Following SGA components need to be manually sized. LOG_BUFFER, DB_KEEP_CACHE_SIZE

DB_nk_CACHE_SIZE”