如何查看oracle打开的游标

oracle查看当前打开的游标数目和连接数：

select count(*) from v$open_cursor;

select count(*) from v$session;

查看当前打开的游标数

select * from v$sysstat where name = 'opened_cursors_current'

查看哪些会话打开了游标

select sid,count(*) from v$open_cursor group by sid having count(*)>1000;