You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a single Database Mail profile. Reports are sent to all the company employees by using the Mail profile. During office hours, a large volume of reports are sent by the sp_send_dbmail stored procedure. Now you notice that it takes a long time for the reports to be sent to the company manager. As the technical support, you have to speed up the delivery. So what action should you perform to achieve this goal?（） ["Another SMTP account should be added to the existing Database Mail profile ","When you send the reports to the manager, you should use the @importance = high parameter. ","You should change the Account Retry Attempts option of the Database Mail system properties ","You should configure a new Database Mail profile. The new one will be used for sending the reports to the manager.&e"]
没有冲突的自我领域
我国医疗器械分类目录中共有类代码（）个。
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. You put forward a database maintenance plan. The maintenance plan rebuilds indexes, checks database integrity, writes a report to a text file. Now the company requires that when the maintenance plan executes abnormally, the operators can be notified by an e-mail message. You've been assigned this task. So you have to make modifications on the SQL Server instance. What should you do?（） ["For the SQL Server Agent, you should enable a fail-safe operator ","You should modify the database maintenance plan, making it send an e-mail to the appropriate operators ","You should modify the database maintenance plan, making it include a Notify Operator task that e-mails the appropriate operators. ","You should modify the SQL Server Agent job. The job executes the database maintenance plan to notify the appropriate operators."]
分析北京故宫中轴线前三殿以南的空间处理手法？
《医疗器械经营企业许可证》有效期为（）年。
