ALTER DATABASE HexStudyDB3Reader SET RECOVERY SIMPLE WITH NO_WAIT
ALTER DATABASE
HexStudyDB3Reader SET RECOVERY SIMPLE --简单模式
DBCC SHRINKFILE (N'HexStudyDB3Reader_log' , 1, TRUNCATEONLY)
ALTER DATABASE HexStudyDB3Reader SET RECOVERY FULL WITH NO_WAIT
ALTER DATABASE HexStudyDB3Reader SET RECOVERY FULL