DESC sys.schema_table_statistics_with_buffer;
Field	Type	Null	Key	Default	Extra
table_schema	varchar(64)	YES		NULL	
table_name	varchar(64)	YES		NULL	
rows_fetched	bigint unsigned	NO		NULL	
fetch_latency	varchar(11)	YES		NULL	
rows_inserted	bigint unsigned	NO		NULL	
insert_latency	varchar(11)	YES		NULL	
rows_updated	bigint unsigned	NO		NULL	
update_latency	varchar(11)	YES		NULL	
rows_deleted	bigint unsigned	NO		NULL	
delete_latency	varchar(11)	YES		NULL	
io_read_requests	decimal(42,0)	YES		NULL	
io_read	varchar(11)	YES		NULL	
io_read_latency	varchar(11)	YES		NULL	
io_write_requests	decimal(42,0)	YES		NULL	
io_write	varchar(11)	YES		NULL	
io_write_latency	varchar(11)	YES		NULL	
io_misc_requests	decimal(42,0)	YES		NULL	
io_misc_latency	varchar(11)	YES		NULL	
innodb_buffer_allocated	varchar(11)	YES		NULL	
innodb_buffer_data	varchar(11)	YES		NULL	
innodb_buffer_free	varchar(11)	YES		NULL	
innodb_buffer_pages	bigint	YES		0	
innodb_buffer_pages_hashed	bigint	YES		0	
innodb_buffer_pages_old	bigint	YES		0	
innodb_buffer_rows_cached	decimal(44,0)	YES		0	
SELECT * FROM sys.schema_table_statistics_with_buffer;
DESC sys.x$schema_table_statistics_with_buffer;
Field	Type	Null	Key	Default	Extra
table_schema	varchar(64)	YES		NULL	
table_name	varchar(64)	YES		NULL	
rows_fetched	bigint unsigned	NO		NULL	
fetch_latency	bigint unsigned	NO		NULL	
rows_inserted	bigint unsigned	NO		NULL	
insert_latency	bigint unsigned	NO		NULL	
rows_updated	bigint unsigned	NO		NULL	
update_latency	bigint unsigned	NO		NULL	
rows_deleted	bigint unsigned	NO		NULL	
delete_latency	bigint unsigned	NO		NULL	
io_read_requests	decimal(42,0)	YES		NULL	
io_read	decimal(41,0)	YES		NULL	
io_read_latency	decimal(42,0)	YES		NULL	
io_write_requests	decimal(42,0)	YES		NULL	
io_write	decimal(41,0)	YES		NULL	
io_write_latency	decimal(42,0)	YES		NULL	
io_misc_requests	decimal(42,0)	YES		NULL	
io_misc_latency	decimal(42,0)	YES		NULL	
innodb_buffer_allocated	decimal(43,0)	YES		NULL	
innodb_buffer_data	decimal(43,0)	YES		NULL	
innodb_buffer_free	decimal(44,0)	YES		NULL	
innodb_buffer_pages	bigint	YES		0	
innodb_buffer_pages_hashed	bigint	YES		0	
innodb_buffer_pages_old	bigint	YES		0	
innodb_buffer_rows_cached	decimal(44,0)	YES		0	
SELECT * FROM sys.x$schema_table_statistics_with_buffer;