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Key Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-41

Data archival frequency In general, you want to remove unneeded data from premium storage as soon as possible. How often you should move the data to the archival storage depends on several factors, including how much storage is available in the premium loca tion, how quickly data proliferates in your organization s database, and how quickly data becomes outdated or obsolete. Regardless of how often you decide to archive data, you should choose to archive data on a regular schedule when ever possible. A good starting point for designing such a schedule might be to archive data once a month at the end of every month.

To further practice and reinforce the skills you learned in this chapter, you can perform the following tasks:

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.

Choose the Use The Web Service To Find The Appropriate Program option, locate a program to open the attachment with, and install it. B. Uninstall Service Pack 1. C. Restart the computer. D.

So why is this import so much better now than it was without the partitions First, consider that only the imported rows needed to be handled during the operation the existing rows were never touched. Also, the partitioned table was much more available to users; it was inaccessible only during the execution of the ALTER TABLE. . .SWITCH. . . statement. Because ALTER TABLE. . .SWITCH. . . changes only pointers in the system catalog, it is executed in virtually no time, no matter how many rows are being added. So, you can potentially improve import performance a great deal by implementing partitioning. But what about query performance Well, partitioning also can improve query performance, especially if the partitioned column is one that you often query over. If so, SQL Server can do partition elimination during optimization so that it needs to do seek or scan operations on only certain partitions instead of on the entire table. However, comparing the query performance of a partitioned table without an appropriate index with a nonpartitioned table with an appropriate index, you see that the index performs much better than the partitioning (without an index). The following query is run against the schema and the rows (the original 19,185 rows) defined in the previous example on partitioning, and the results are shown in Table 6-12. The query is designed so that it needs to scan only two of the partitions in the table:

queue.Send(msg, MessageQueueTransactionType.Single); Console.WriteLine("Message is sent to queue."); Console.WriteLine("Hit enter..."); Console.ReadLine(); }

class diagram A diagram that is a static repre-

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6. 7.

In the following case scenarios, you will apply what you ve learned about how to install SQL Server 2005 as well as how to upgrade current installations of SQL Server to SQL Server 2005. You can find answers to these questions in the Answers section at the end of this book.

# ***************************** Registry Sections ***************************** [SubstituteEnvironmentVariables] # List environment variables to substitute in registry values # that take the data type REG_EXPAND_SZ. # Syntax is one environment variable per line. # Wildcards are not supported. %USERPROFILE% %USERNAME%

In this exercise, you will check the availability of infrared on your computer and send files to another PC using infrared data transmission.

2. Can an existing MMC snap-in be changed from local to remote context, or must a snap-in of the same type be loaded into the MMC for remote connection

' VB ' Instantiate a new table (global to the form).

Figure 9-11

The Tablet PC Input Panel is the primary method through which Tablet PC users input data. The three ways that you can input information into the Tablet PC Input Panel are:

Figure 8-7

FREETEXT ( { column_name | (column_list) | * } , 'freetext_string' [ , LANGUAGE language_term ] )

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figure 7-11 With the storage mode set to HOLAP, if there are no aggregations, queries are sent to the