The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 8: Backup and Restore for FILESTREAM DatabasesRESTORE LOG NorthPole2FROM DISK = 'C:\ArtOfFS\Demos\Chapter8\bak\NorthPole_log2.trn'WITH RECOVERY,-- Replace the date and time with the date and time you noted earlierSTOPAT = '2012-03-08 14:22:28.040'Listing 8-9:Restoring the transaction log to a specified point in time.Now, if we run a SELECT query on the Items table in the restored NorthPole2database, you will see that there are four rows. If you run the same query on the originalNorthPole database, you will see that the table contains one row (or no rows if youdidn't run Listing 8-6).You can verify that the FILESTREAM data is restored correctly to the point prior to the"wrong operation," by doing one of the following:• run a SELECT query on the Items table and look at the ItemImage column; you willsee that the column contains BLOB values which reference the FILESTREAM data• go to Windows Explorer and look at the FILESTREAM data container; you will noticethat there are four files in the folder.Point-in-time recovery for FILESTREAM-enabled databases gives database administratorsone more reason for moving to FILESTREAM storage from the traditionalstorage methods.File Backups and Piecemeal RestoresGenerally speaking, the fact that a database backup includes the FILESTREAM data files isa bonus; it reduces the administrative overhead for DBAs, as they no longer need to worryabout separately backing up disk files.322
Chapter 8: Backup and Restore for FILESTREAM DatabasesHowever, there may be times when a DBA does not want the FILESTREAM data to bepart of the regular database backups. For example, you may want to grab a most recentcopy of the production database and send it to the development/test team. A productiondatabase with FILESTREAM data could be quite large, and you might only need therelational data for your development or test environment.It is possible to create a full file backup of a FILESTREAM database to exclude theFILESTREAM filegroups. This is helpful when you do not care about the FILESTREAMdata and only want to deal with the relational data. When you restore such a backupusing the Enterprise edition of SQL Server, you will be able to query all the relationaldata. However, any query that tries to access the FILESTREAM data will obviously fail.Let's go ahead and run some scripts to see this in action. First, rerun the script in Listing8-1 to re-create the sample database, and then run the script provided in Listing 8-10 totake a backup of the PRIMARY filegroup (excluding the FILESTREAM filegroup).-- Take a backupBACKUP DATABASE NorthPoleFILEGROUP = 'PRIMARY'TO DISK = 'C:\ArtOfFS\Demos\Chapter8\bak\NorthPolePrimary.bak'GOListing 8-10:Creating a file backup that excludes the FILESTREAM filegroup.Now let's go ahead and create a new database from this partial backup.-- RestoreRESTORE DATABASE NorthPolePartialFROM DISK = 'C:\ArtOfFS\Demos\Chapter8\bak\NorthPolePrimary.bak'WITH RECOVERY,PARTIAL,MOVE 'NorthPole' TO 'C:\ArtOfFS\Demos\Chapter8\NorthPolePartial.mdf',MOVE 'NorthPole_log' TO 'C:\ArtOfFS\Demos\Chapter8\NorthPolePartial_log.ldf',GOListing 8-11:Restoring a partial backup that excludes FILESTREAM filegroups.323
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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 6: FILESTREAM with SSIS and
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Creating a data sourceChapter 6: FI
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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: FileTableFigure 11-1:Se
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Chapter 11: FileTableperformance wh
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Chapter 11: FileTableany files or f
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Chapter 11: FileTable-- If the 'Nor
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Chapter 11: FileTableBy default, th
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Chapter 11: FileTableIt is possible
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Chapter 11: FileTableFigure 11-4:Ch
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Chapter 11: FileTableFurthermore, i
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Chapter 11: FileTableCreating folde
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Chapter 11: FileTableAdding rows us
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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: FileTableAs a best prac
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Chapter 11: FileTableSELECT file_st
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Chapter 11: FileTable• non_transa
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Chapter 11: FileTable• filename_c
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Chapter 11: FileTableListing 11-29
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Chapter 11: FileTableLanguage suppo
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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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