You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. Your application contains the following code. string queryString = "Select * from dbo.Users"; SqlCommand command = new SqlCommand(queryString, (SqlConnection)connection)); You want to get the value that is contained in the first column of the first row of the result set returned by the query. What should you do? () ["A","B","C","D"]
组织能否有效地运行,并实现组织目标,很大程度上取决于()。 ["管理是否有效","领导是否有领导才能","组织结构是否合理","组织成员是否团结一致"]
根据我国票据法的规定,凡签发()的汇票无效。 ["限制性抬头","指示性抬头人","记名抬头","持票人或来人抬头"]
You upgraded a computer to Windows 2000 Professional and kept the FAT32 file system. You want each of three employees who use this computer to have their own documents area that no one else can access. You create a shared folder for each of the three users. You give only the owner permission to use the folder. Later in the week you are informed that User1's folder was modified while User1 was on vacation. What is wrong with your security configuration? () ["Local computer policy must restrict the rights of the three users.","You gave each share the same name under the users’ Documents and Settings folders.","Shared folder security only works when accessing the folder over the network.","Domain authentication should be required at log on."]
固定化微生物原生质体发酵产酶有哪些特点?
不良反应