select name,class,value from v$sysstat
/
select * from v$sgastat
/
select sid,username,type,server from v$session
/
select username,name, value
from v$statname n, v$session s, v$sesstat t
where s.sid=t.sid
and n.STATISTIC#=t.STATISTIC#
and s.TYPE='USER'
and s.USERNAME is not null
and n.NAME ='session pga memory'
and t.VALUE>300
/
select sid,event from v$session_wait where wait_time=0
/
select name,parameter1,parameter2,parameter3 from v$event_name
/
select event,total_waits,total_timeouts,time_waited,average_wait from v$system_event
/
select sid,event,total_waits,average_wait from v$session_event where sid=13
/
select sid,seq#,event,wait_time,state from v$session_wait
/
select gethitratio from v$librarycache where namespace='SQL AREA'
/
select sql_text,users_executing,executions,loads from v$sqlarea
/
select * from v$sqltext where sql_text like 'select %'
/
select namespace,gethitratio from v$librarycache
/
select sum(pins) "Executions",sum(reloads) "Cache Misses", sum(reloads)/sum(pins) from v$librarycache
/
select count(*) from hr.employees
/
select namespace,pins,reloads,invalidations from v$librarycache
/
analyze table hr.employees compute statistics
/
select count(*) from hr.employees
/
select namespace,pins,reloads,invalidations from v$librarycache
/
select sum(sharable_mem) from v$db_object_cache
/
select sum(sharable_mem) from v$sqlarea where executions>5
/
select sum(sharable_mem) from v$db_object_cache where type in ('PACKAGE','PACKAGE BODY','FUNCTION','PROCEDURE')
/
select sum(250*users_opening) from v$sqlarea
/