DESC sys.memory_global_by_current_bytes;
Field	Type	Null	Key	Default	Extra
event_name	varchar(128)	NO		NULL	
current_count	bigint(20)	NO		NULL	
current_alloc	varchar(14)	YES		NULL	
current_avg_alloc	varchar(14)	YES		NULL	
high_count	bigint(20)	NO		NULL	
high_alloc	varchar(14)	YES		NULL	
high_avg_alloc	varchar(14)	YES		NULL	
SELECT * FROM sys.memory_global_by_current_bytes;
DESC sys.x$memory_global_by_current_bytes;
Field	Type	Null	Key	Default	Extra
event_name	varchar(128)	NO		NULL	
current_count	bigint(20)	NO		NULL	
current_alloc	bigint(20)	NO		NULL	
current_avg_alloc	decimal(23,4)	NO		0.0000	
high_count	bigint(20)	NO		NULL	
high_alloc	bigint(20)	NO		NULL	
high_avg_alloc	decimal(23,4)	NO		0.0000	
SELECT * FROM sys.x$memory_global_by_current_bytes;
