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Objective 4.1 Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-6

You can use the following questions to test your knowledge of the information in Lesson 3, Understand and Standardize Control Usage. The questions are also available on the companion CD if you prefer to review them in electronic form.

ChannelServices.RegisterChannel(channel, False)

If the Validating event is being used in your applications, a number of changes at .NET 2.0 help to alleviate some of these problems. The first is the AutoValidate property that can be set on the form itself. Actually, it can be set for any container control, but for this discussion the focus will be just on the form. The purpose of AutoValidate is to control how data will be validated when focus is moved away from a control. Table 5-1 shows the possible values for this property.

If the query is instead rewritten so that the OrderDate column is not changed, an index seek operation will be used instead of a scan. The execution plan for the following query is shown in Figure 7-2.

To rebuild an index using the SQL Server Management Studio, perform the following steps: 1. Expand the Databases folder. 2. Expand the database that contains the table with the specified index. 3. Expand the Tables folder to locate the table in which the index resides. 4. Expand the table in which the index resides and then expand the Indexes folder. 5. Right-click the index you want to rebuild and choose Rebuild. This opens the Rebuild Indexes dialog box. Alternatively, to rebuild all indexes on a table, rightclick the Indexes folder within the table and select Rebuild All. 6. Click OK to start the Index rebuild. There are two options when rebuilding an index using Transact-SQL statements:

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509

1. Correct Answer: D A. Incorrect: If program files are corrupt and you are unaware of the original installation options, you should uninstall SQL Server 2005 and then perform a complete reinstall. You will be unable to reach single-user mode if the program files are corrupt. B. Incorrect: If program files are corrupt and you are unaware of the original installation options, you should uninstall SQL Server 2005 and then perform a complete reinstall. Attempting to rebuild the system databases will not restore corrupt program files. C. Incorrect: You should not attempt to rebuild and repair corrupt program files unless you are sure of exactly which options SQL Server 2005 was installed using. D. Correct: If you are unaware of which package options were selected, the recommended course of action is to completely uninstall SQL Server 2005 and then perform a reinstall. 2. Correct Answer: C A. Incorrect: The simple recovery model will allow recovery only to the most recent backup. B. Incorrect: The bulk-logged recovery model will not always allow recovery to a named transaction. If a bulk operation has been logged, restoration can occur only to the end of the transaction log. C. Correct: The full recovery model allows restoration to a named transaction.

For more information on the Microsoft Assessment And Planning (MAP) Toolkit 5.0, see Lesson 2, Gathering Upgrade Information, in 1.

2. Your computer crashes with almost clocklike predictability approximately one hour after each system startup. You suspect an application with a memory leak

' VB button1.Location = New Point(10, 10) // C# button1.Location = new Point(10, 10);

Figure 5-18