Multiple choice technology databases Which background process reads the redo log buffer and writes it to a file ? ARCn DBWn CKPT LGWR PMON SMON Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Log Writer (LGWR) background process is responsible for writing the contents of the redo log buffer in the SGA to the active online redo log files. DBWn writes data blocks, CKPT updates headers/controlfiles, and ARCn copies filled logs.