TAILIEUCHUNG - Hands-On Microsoft SQL Server 2008 Integration Services part 8

Hands-On Microsoft SQL Server 2008 Integration Services part 8. Deploy and manage high-performance data transformation solutions across your enterprise using the step-by-step techniques in this fully revised guide. Hands-On Microsoft SQL Server 2008 Integration Services, Second Edition explains the tools and methods necessary to extract conclusive business intelligence from disparate corporate data. Learn how to build and secure packages, load and cleanse data, establish workflow, and optimize performance. Real-world examples, detailed illustrations, and hands-on exercises are included throughout this practical resource. . | 48 Hands-On Microsoft SQL Server 2008 Integration Services dialog box as shown in Figure 2-5 you have various options to configure your destination table and the way you want to insert data into it. Following is the description of each of these options Create destination table This option will be selected in your case. Choose this option whenever you want to create a destination table. When this option is highlighted and selected you can click Edit SQL to generate an SQL statement that will be used to create this new table. You can customize this SQL statement however if you modify the default SQL statement you will have to manually modify the column mappings. Delete rows in destination table This option will not be available to you as the destination table is yet to be created. However if you select an existing table to import data into you can then choose to delete rows from the existing table. Append rows to the destination table If you re importing into an existing table you can choose to append the rows to the existing table. However in your case this option will be grayed out. Figure 2-5 Making changes in the mappings between Source and Destination Chapter 2 Getting Started with Wizards 49 Drop and re-create destination table This check box option allows you to delete an existing table and then re-create and load data into it. Enable identity insert You will be using this option if you want to keep the identity in the input data and want to insert it into the destination table. 9. Let s change a mapping in the Mappings section to see how it works. Click in the Suffix destination column and then the drop-down box to select Ignore as shown in Figure 2-5. Now click Edit SQL and note that the SQL statement for creating the destination table has picked up the change you just made. You can make changes to the SQL statement or use already existing scripts to create a table. However once you have modified the SQL statement any subsequent changes made from the .

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