This view represents reads and writes to database devices by Adaptive Server, accumulated from the start of the recording session. It shows the overall rate of reads and writes to database devices since the start of the session, as well as the most active database device for that time period and the rate of reads and writes to the most active device.
hs_create_view device_perf_sum, "Device I/O", "Rate for Session", "Most Active Device Name", "Value for Session", "Most Active Device I/O", "Rate for Session"
