You manage a database named DB1， which is located on a SQL Server 2005 computer. You receive a warning that the drive on which the DB1 log file is located is near capacity.Although the transaction log is backed up every five minutes， you observe that it is steadily growing. You think that an uncommitted transaction might be the cause and you want to investigate. You need to identify both the server process ID and the start time of the oldest active transaction in DB1.
What should you do？（）

A full backup of your database named DB1 is created automatically at midnight every day.Differential backups of DB1 occur twice each day at 10：00 and at 16：00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12：30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost.
What should you do？（）