原文地址： https://blog.csdn.net/baomfeng/article/details/84031971
DECLARE @DBNAME VARCHAR(255) DECLARE @TargetPath VARCHAR(255) DECLARE @CmdCommand VARCHAR(2000) SET @DBNAME='GTN_New2019' SET @TargetPath='D:\MyDB' --第一步:设置数据库脱机 SET @CmdCommand= 'ALTER DATABASE '+@DBNAME+' SET OFFLINE' EXEC(@CmdCommand) --第二步：物理拷贝数据库文件到新目录 DECLARE @FileName VARCHAR(255) DECLARE @SourceFullName VARCHAR(255) DECLARE FileCur CURSOR for SELECT name,physical_name from sys.master_files where database_id=db_id(@DBNAME) OPEN FileCur FETCH NEXT FROM FileCur INTO @FileName,@SourceFullName WHILE @@FETCH_STATUS=0 BEGIN SET @CmdCommand= 'copy "'+@SourceFullName+'" "'+@TargetPath+'"' EXEC master..xp_cmdshell @CmdCommand --修改数据库文件的路径指向新目录 SET @CmdCommand='ALTER DATABASE '+@DBNAME+' MODIFY FILE(FILENAME='''+@TargetPath+CASE WHEN RIGHT(@TargetPath,1)='\'THEN'' ELSE'\' END+ RIGHT(@SourceFullName, CHARINDEX('\', REVERSE(@SourceFullName))-1)+''',name='''+@FileName+''')' EXEC(@CmdCommand) FETCH NEXT FROM FileCur INTO @FileName,@SourceFullName END CLOSE FileCur DEALLOCATE FileCur --第三步：设置数据库联机 SET @CmdCommand= 'ALTER DATABASE '+@DBNAME+' SET ONLINE' EXEC(@CmdCommand)