db writer(DBWn) writes dirty buffer(modified data) into datafiles on disk.
The Oracle database process responsible for reading data from datafiles is the Database Writer (DBWR) process. This process ensures that the data blocks in memory are periodically written to the datafiles on disk to ensure data integrity and durability.
programmer
Var directory is a sub directory of the root directory, The system writes data during process of its operation.
Thunderbolt 2 and USB 3.0 are technologies that allow faster transferring of data between mobile and computer.
drive
drive
Data storage device that reads and writes data on a magnetic tape.
Cpu
A CD writer is a computer device that writes to ('burns") CDs.
there can as many as the operating system will supports
Cpu
The number of data files in oracle database is controlled by the initialization parameter DB_FILES setting this value too high can cause DBWR issues. before 9i maximum no of datafiles in a oracle database is 1022 after 9i and this limit is applicable to the no of data files in a tablespace.