| 
	USE [master] 
	GO 
	ALTER DATABASE [ems_db] SET RECOVERY SIMPLE WITH NO_WAIT 
	GO 
	ALTER DATABASE [ems_db] SET RECOVERY SIMPLE 
	GO 
	USE [ems_db] 
	GO 
	DBCC SHRINKFILE (N'ems_db_log' , 0,TRUNCATEONLY) 
	GO 
	USE [master] 
	GO 
	ALTER DATABASE [ems_db] SET RECOVERY FULL WITH NO_WAIT 
	GO 
	ALTER DATABASE [ems_db] SET RECOVERY FULL 
	GO 
	USE [ems_db] 
	GO 
	SELECT name FROM SYS.database_files WHERE type_desc='LOG' 
	ems_db是数据库的名称。(责任编辑:IT) ems_db_log是日志名称。在属性_文件里 | 
