备份数据库压缩

declare @SqlBackupDataBase as nvarchar(1000)
set @SqlBackupDataBase=N’BACKUP DATABASE [db] TO DISK = ‘‘D:\db-’+
CONVERT(varchar(11),GETDATE(),112)+REPLACE(CONVERT(varchar(12),GETDATE(),108),’:’,’’)+’.bak’’’ +‘with STATS = 1,compression’
–备份文件格式：db-20170111132424.bak

exec sp_executesql @SqlBackupDataBase --调用系统存储过程，执行SQL