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It is possible that the cursor named crsrRowByRow would execute more quickly than a setbased alternative. This would depend on various factors, such as the number of records to be processed and the efficiency of the code in the stored procedure. The only way to know for sure would be to compare execution times for both methods.

Before taking the exam, review the key topics and terms that are presented in this chapter. You need to know this information.

After this lesson, you will be able to:

Answers to these questions and explanations of why each answer choice is correct or incorrect are located in the Answers section at the end of the book.

For a list of compatible devices, see www.microsoft.com/windows/windowsmedia /devices/default.aspx.

On the Web Browser tab, you can configure the following settings:

index population operation that needs to parse varbinary and/or image columns. Filters are available for specific file types such as Word, PowerPoint, and Excel.

If you are working in a domain environment, use the Active Directory Users And Computers console to create the Windows accounts.

You can select either Windows authentication or SQL authentication by the pri mary and secondary servers to connect to the monitoring server and update the monitoring tables. If you select SQL authentication, a new SQL login called log_shipping_monitor_probe is created on the primary, secondary, and monitor ing servers. For a backup job to succeed, you need to configure the SQL Server service account on the primary server instance and the proxy account of the backup job (by default, this is the SQL Server Agent account on the primary server instance) to have read/write permissions to the backup directory. For a copy job to be successful, you need to configure the proxy account of the copy job (by default, this is the SQL Server Agent account on the secondary server instance) to have read permissions to the backup directory and write per missions to the copy directory. For a restore job to be successful, you need to configure the SQL Server service account on the secondary server instance and the proxy account of the restore job (by default, this is the SQL Server Agent account on the secondary server instance) to have read/write permissions to the copy directory.

A good developer has to be a good user. This means that to build a state-of-the-art user interface in your application, you have to know all about the control suite that you use. Windows 7 comes with built-in support for the Ribbon, also known as the Windows Ribbon Framework. Good examples for the User Interface change that the Ribbon can make are the two Windows built-in applications: Microsoft WordPad and Microsoft Paint. You can compare between the user interface and user experience of these two applications on Windows XP/Vista to the new Windows 7. Figure 11-2 shows the new Paint UI comparing the Vista Paint UI.

This task ensures that the query optimizer has up-to-date information about the distribution of data values within tables, improving performance. Statistics from all, none, or a combination of databases can be

Use the following questions to help determine whether you have learned enough to move on to the next lesson. If you have difficulty answering these questions, review the material in this lesson before beginning the next lesson. You can find answers to these questions in the Questions and Answers section at the end of this chapter.

Figure 3-3

Figure 4-2

Database application design affects performance much more than the amount of RAM in the sys tem does. Before you perform load testing to size memory, therefore, you first need to make sure that the database application has been tuned for efficiency. To illustrate: A certain SELECT state ment in a poorly tuned application might require as many as 1 million logical reads on the server, but with smart indexing, you might be able to reduce those logical reads to as few as 10. You can imagine that if such a query is executed frequently, no amount of RAM could improve performance as much as improving the efficiency of that query could.