DESC sys.host_summary_by_statement_latency;
Field	Type	Null	Key	Default	Extra
host	varchar(255)	YES		NULL	
total	decimal(42,0)	YES		NULL	
total_latency	text	YES		NULL	
max_latency	text	YES		NULL	
lock_latency	text	YES		NULL	
rows_sent	decimal(42,0)	YES		NULL	
rows_examined	decimal(42,0)	YES		NULL	
rows_affected	decimal(42,0)	YES		NULL	
full_scans	decimal(43,0)	YES		NULL	
SELECT * FROM sys.host_summary_by_statement_latency;
DESC sys.x$host_summary_by_statement_latency;
Field	Type	Null	Key	Default	Extra
host	varchar(255)	YES		NULL	
total	decimal(42,0)	YES		NULL	
total_latency	decimal(42,0)	YES		NULL	
max_latency	bigint(20) unsigned	YES		NULL	
lock_latency	decimal(42,0)	YES		NULL	
rows_sent	decimal(42,0)	YES		NULL	
rows_examined	decimal(42,0)	YES		NULL	
rows_affected	decimal(42,0)	YES		NULL	
full_scans	decimal(43,0)	YES		NULL	
SELECT * FROM sys.x$host_summary_by_statement_latency;