The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 5: FILESTREAM with ASP.NET and SilverlightIf everything is set up correctly, the web application will make a remote call to the WCFservice to obtain the MemoryStream containing the image. Other than a possible slightdelay, the application is functionally the same as Lab 6. Architecturally, however, theapplication looks very different because the web application displaying the image nolonger relies on knowledge of the data store.If you have access to two computers (perhaps using virtualization), deploy the WCFconsole host application to the computer running your NorthPole database instanceand deploy the web application to the other computer. Be sure to open up the portnumber specified in the host's configuration file in the computer's firewall software.Lab 9: Playing a Video Stored in a FILESTREAMDatabase on a Silverlight ApplicationIn this lab we will create a Silverlight application that will play a video stored in aFILESTREAM database.To do this, we will:• create a new table in the NorthPole database and load a video• create a Silverlight application• create the video handler• add a MediaElement and configure it• run and test the application.216
Chapter 5: FILESTREAM with ASP.NET and SilverlightSetting up the dataFirst, we'll set up the table and data required for this lab. Create a table in the NorthPoledatabase to store the video files using the T-SQL code shown in Listing 5-21.CREATE TABLE Videos(VideoID UNIQUEIDENTIFIER ROWGUIDCOL NOT NULL UNIQUE,VideoName VARCHAR(100),VideoData VARBINARY(MAX) FILESTREAM)Listing 5-21:Creating a table to hold the video data.Now, we'll add some videos to the table. For this demo, I will use the sample video filethat comes with the Windows 7 operating system. Listing 5-22 loads a video file intothe table we just created. Make sure that you change the location of the file to pointto a .wmv file that exists on the local computer.-- Insert the data into the tableINSERT INTO Videos (VideoID, VideoName, VideoData)SELECT NEWID(), 'Windows7 Sample Video', CAST(bulkcolumnAS VARBINARY(MAX))FROM OPENROWSET(BULK'C:\Users\Public\Videos\Sample Videos\Wildlife.wmv',SINGLE_BLOB ) AS xListing 5-22:Loading a video into the table.Next, create a stored procedure that returns the logical path name of the FILESTREAMcolumn, along with the FILESTREAM transaction context (Listing 5-23).217
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DBA HandbooksThe Art ofSQL Server F
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Copyright June 2012ISBN 978-1-90643
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Updating and deleting FILESTREAM da
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Creating the stored procedure to fe
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File Backups and Piecemeal Restores
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Setting Up the Server for FileTable
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Using SSMS to check that FILESTREAM
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Sven AeltermanSven Aelterman is a l
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Finding time for writing such a len
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IntroductionWhen I first started my
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The secondary audience for this boo
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Chapter 1: Storing and ManagingUnst
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Chapter 1: Storing and Managing Uns
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Setting the access levelChapter 1:
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Data usage patternsChapter 1: Stori
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Chapter 2: Getting Started with FIL
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Fixing corrupted dataChapter 7: FIL
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Chapter 9: Investigating FILESTREAM
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Chapter 10: Integrating FILESTREAMw
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Chapter 11: FileTableThe addition o
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Chapter 11: FileTableUSE NorthPoleG
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Chapter 11: FileTable-- Find the pa
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Chapter 11: FileTablestring SqlText
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Chapter 11: FileTableSELECT file_st
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Chapter 11: FileTableListing 11-29
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Chapter 12: Planning, Configuration
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Appendix A: Configuring FILESTREAMo
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Appendix A: Configuring FILESTREAM
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