The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 6: FILESTREAM with SSIS and SSRSALTER DATABASE NorthPoleADD FILEGROUP NORTHPOLE_FSCONTAINS FILESTREAM ;GOALTER DATABASE NorthPoleADD FILE (NAME = NorthPoleFS,FILENAME = 'C:\ArtOfFS\Demos\Chapter6\NorthPole_fs')TO FILEGROUP NorthPole_fs ;GOListing 6-4:Adding a FILESTREAM filegroup to the database.As we discussed previously, there are a number of prerequisites for adding a FILESTREAMcolumn to an existing table; for full details on what is involved, refer back to Chapter 2.Otherwise, go ahead and use the script in Listing 6-5 to add the column.USE NorthpoleGO-- Add a UNIQUEIDENTIFIER columnALTER TABLE ItemsADD ItemGuid UNIQUEIDENTIFIER NOT NULLDEFAULT (NEWID())-- Add a UNIQUE constraintALTER TABLE ItemsADD CONSTRAINT IX_ItemGuid UNIQUE(ItemGuid)-- Create ROWGUIDCOLALTER TABLE ItemsALTER COLUMN ItemGUID ADD ROWGUIDCOL-- Add the FILESTREAM columnALTER TABLE [dbo].[Items]ADD ItemImage VARBINARY(MAX) FILESTREAM NULLListing 6-5:Adding a FILESTREAM column to a table.232
Chapter 6: FILESTREAM with SSIS and SSRSWhen you have added the FILESTREAM column, run a SELECT query on the Itemstable; you will see results similar to Listing 6-6. (Of course, the ItemGuid andImageFileName columns might show a different value.)It.. ItemName ImageFileName ItemGuid ItemImage---- -------- ------------------ ----------------- ---------1001 Micros.. C:\..\IMG_5383.jpg 53C15E09-79CC-4.. NULL3001 Dell L.. C:\..\IMG_5384.jpg AFA5D604-68EA-4.. NULL4005 Apple .. C:\..\IMG_5385.jpg B6A6EE8D-7ED6-4.. NULL6009 Amazon.. C:\..\IMG_5386.jpg 6EFF334C-B2C1-4.. NULLListing 6-6:The Items table with the FILESTREAM column.What we are planning to do in this lab is to run a loop over all the rows in the Itemstable to read the content of each image file specified in the ImageFileName column,and then store it in the FILESTREAM column, ItemImage. Listing 6-7 creates the storedprocedure that the SSIS package will use to retrieve item information.USE NorthPoleGOCREATE PROCEDURE [dbo].[GetItems]ASSELECT ItemIDFROM Items ;Listing 6-7:Creating a stored procedure to retrieve the ItemID column of all the rows.The above stored procedure returns the ItemID of all the rows to be processed. TheSSIS package will loop through each row returned by this procedure and execute theFILESTREAM-related code to load the images into the FILESTREAM column of the table.All FILESTREAM operations should take place within the context of a SQL Servertransaction. You might want to do it in one of the two ways illustrated below.233
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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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Chapter 3: Accessing FILESTREAMData
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Chapter 4: FILESTREAM with EntityFr
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Chapter 5: FILESTREAM with ASP.NETa
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Chapter 5: FILESTREAM with ASP.NET
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Chapter 7: FILESTREAM Database Admi
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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 10: Integrating FILESTREAM
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Chapter 11: FileTableThe addition o
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Chapter 11: FileTableColumn Namestr
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Chapter 11: FileTableColumn Nameis_
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Chapter 11: FileTableUSE NorthPoleG
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Chapter 11: FileTableMore on using
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Chapter 11: FileTable-- Find the pa
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Chapter 11: FileTable-- Insert a ne
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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 11: FileTableInvestigating
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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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