SELECT osuser, a.username,cpu_time/executions/1000000||‘s‘,b.sql_text,machine from v$session a, v$sqlarea b where a.sql_address =b.address order by cpu_time/executionsdesc; 6.当前的session连接数 select count(*) from v$session 7.并发连接数 select count(*) from v$session where status=‘ACTIVE‘ 8.最大连接 show parameter processes
oracle查询数据库最大连接数等信息
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