求解这个题
对数据库EDUC进行完全备份，备份到文件夹“f:\db”下,备份文件名称为educ.bak
[解决办法]
BACKUP DATABASE EDUC TO DISK = N'f:\db\educ.bak' WITH NAME = N'educ'

[解决办法]

USE EDUC;
ALTER DATABASE EDUC SET RECOVERY FULL;
GO
BACKUP DATABASE EDUC
  TO DISK = 'f:\db\educ.bak' 
  WITH FORMAT;

更多参数介绍参考:
http://msdn.microsoft.com/zh-cn/library/ms186289.aspx
[解决办法]
sql语句备份，这个要学