SQL SERVER-Extendevent系统视图

 --获得扩展事件的事件
 select name,description from sys.dm_xe_objects  where object_type='event'  order by name

--获得各事件的字段
select  c.name,c.description
from  sys.dm_xe_object_columns c
inner join  sys.dm_xe_objects o  on o.name=c.object_name
where o.name='sql_statement_starting'

--查询谓词
select name,description
from sys.dm_xe_objects
where object_type='pred_source'