TAILIEUCHUNG - Microsoft SQL Server 2000 Data Transformation Services- P8

Microsoft SQL Server 2000 Data Transformation Services- P8: Data Transformation Services in Microsoft SQL Server 2000 is a powerful tool for moving data. It’s easy to use, especially when you’re creating transformation packages with the DTS Wizard. But it’s also a flexible tool that you can customize to gain a high degree of control over the transformation of your data. | Other Data Movement and Manipulation Tasks 326 Part III The File Transfer Protocol FTP task allows you to retrieve files from network or Internet sites. Note The lack of FTP integration was a weakness of DTS in SQL Server . It didn t prevent DTS from being used but it reduced the convenience of the DTS development environment. You had to coordinate your FTP processes with the execution of your DTS packages ensuring that the files were moved to the proper directories before the DTS package execution began. Now with SQL Server 2000 FTP has become another step in the DTS process. When to Use the File Transfer Protocol FTP Task The FTP task can be used to move files or directories in your local network. It can also be used to get files from remote Internet sites. It cannot be used to send files to Internet sites. Tip It would be more convenient if the FTP task could be used to send files to Internet sites as well as getting files. There are tools that make an FTP site appear like a Windows directory. One of these tool WebDrive is included on the book s CD. With WebDrive or a similar tool you can use the FTP task to send files to remote Internet sites. When you re using the FTP task it s important to recognize the possibilities for integration with the Dynamic Properties task and with the many ways you can use global variables. You can use the Dynamic Properties task to change the source the destination and the files involved with the FTP. You can set these values with global variables that have themselves been set with DTSRun by another DTS package by an Execute SQL task or with an ActiveX Script task. There are times when an ActiveX Script task is more convenient than an FTP task for moving files around your local network. See the discussion of using the FileSystemObject for file and directory manipulation in Chapter 16 Writing Scripts for an ActiveX Script Task. 327 The File Transfer Protocol FTP Task Chapter 14 Creating the Task and Setting Its .

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