单项选择题 关于PDSCHDMRS以下说法错误的是()

未知题型 在用户登录成功后，UNIX系统运行的第一个程序是(62)。

未知题型 You are the administrator of a SQL Server 2000 computer. The server contains confidential information about contracts on which your company has placed bids.Company policy requires that bid information be removed permanently from the database one year after the bid closes. You need to comply with this policy and minimize server overhead.What should you do?