单项选择题
A.Create a job schedule that runs every Sunday.Assign weekly tasks to this schedule.Create a second schedule that runs on the first day of every month. Assign monthly tasks to this schedule.
B.Create a job for each task that runs once a day. Use a Transact-SQL statement to check the date and day of the week. If the day is either a Sunday or the first day of the month， execute the code.
C.Create a job schedule that runs once a day. Assign jobs to this job schedule. If the day is either a Sunday or the first day of the month， execute the jobs.
D.Create a job for each task that runs once a week on Sunday. Add a second job schedule that runs the job on the first of the month
多项选择题 TestKing.com uses SQL Server 2005. Users report that report execution is slow. You investigate and discover that some queries do not use optimal execution plans. You also notice that some optimizer statistics are missing and others are out of date. You need to correct the problem so that reports execute more quickly. Which two Transact-SQL statements should you use？（）
单项选择题 TestKing.com has multiple servers in a distributed environment. You work with two SQL Server 2005 computers named SQL1 and SQL2. Each server uses SQL Server Authentication and they use different logins.You need to write a distributed query that joins the data on SQL1 with the data on SQL2. What should you do？（）
单项选择题 You configure a new SQL Server 2005 computer to use TCP/IP with all default settings. Your corporate policy requires that each server use a firewall. You find that you can connect to the SQL Server instance from the local computer. However， client computers cannot connect to the SQL Server instance.You need to identify the most likely cause of the connection issues. What should you do first？（）