题目内容

在清洗空气制动系统中的两个变向阀时，其O形圈上允许涂加（），用以润滑。

A. 航空汽油
B. 高端煤油
C. 甘油
D. 凡士林

查看答案

搜索结果不匹配？点我反馈

更多问题

TestKing.com has two SQL Server 2005 computers named SQL1 and SQL2. A user in TestKing.com named Eric writes many ad hoc queries against the company databases.Eric has access to the Customer database on SQL1. He does not have access to the Sales database on SQL2. You need to ensure that Eric can write queries that join information from both servers. What should you do first？（）

A. Create a linked server on SQL1 to SQL2. Configure the linked server to use impersonation.
B. Create a linked server on SQL1 to SQL2. Configure the linked server to use mapped logins.
C. Instruct Eric to write the queries on SQL2 by using the OPENQUERY statement and specifying SQL1 as the server name.
D. Instruct Eric to specify SQL Server object names by using four-part notation.

查看答案