DESC sys.io_global_by_file_by_bytes;
Field	Type	Null	Key	Default	Extra
file	varchar(512)	YES		NULL
count_read	bigint(20) unsigned	NO		NULL
total_read	text	YES		NULL
avg_read	text	YES		NULL
count_write	bigint(20) unsigned	NO		NULL
total_written	text	YES		NULL
avg_write	text	YES		NULL
total	text	YES		NULL
write_pct	decimal(26,2)	NO		0.00
SELECT * FROM sys.io_global_by_file_by_bytes;
DESC sys.x$io_global_by_file_by_bytes;
Field	Type	Null	Key	Default	Extra
file	varchar(512)	NO		NULL
count_read	bigint(20) unsigned	NO		NULL
total_read	bigint(20)	NO		NULL
avg_read	decimal(23,4)	NO		0.0000
count_write	bigint(20) unsigned	NO		NULL
total_written	bigint(20)	NO		NULL
avg_write	decimal(23,4)	NO		0.0000
total	bigint(21)	NO		0
write_pct	decimal(26,2)	NO		0.00
SELECT * FROM sys.x$io_global_by_file_by_bytes;
