The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 10: Integrating FILESTREAM with other SQL Server FeaturesFigure 10-1:Choosing to replicate FILESTREAM columns with the FILESTREAM attribute.Click OK on the Article Properties dialog box and then again on the PublicationProperty dialog box to save the changes. You must then reinitialize the subscriptions forthe changes to take effect.You can also use T-SQL to specify that you want to replicate FILESTREAM columnswith the FILESTREAM attribute; details are provided later in the section, Managing theFILESTREAM replication flag using T-SQL.354
Chapter 10: Integrating FILESTREAM with other SQL Server FeaturesMaximum replication data sizeWhile configuring replication for FILESTREAM columns to VARBINARY(MAX) columns,one of the most important configuration parameters that needs attention is the maximumreplication data size setting. This is a SQL Server instance-level configuration which, bydefault, is set to 64 KB.Therefore, under the default maximum replication data size, and default FILESTREAMto VARBINARY(MAX) conversion settings, transactional or merge replication of aFILESTREAM () column, or any other large-value type, will fail if we attempt to storevalues larger than 64 KB. And not only the replication, but also the INSERT or UPDATEoperation will fail; SQL Server will abort the INSERT or UPDATE operation and generatethe following error:Length of LOB data (nnnn) to be replicated exceeds configured maximum 65536.The statement has been terminated.As we have seen several times in the previous chapters, FILESTREAM columns are idealonly if the values you expect to store in the FILESTREAM column are 1 MB or larger.This obviously means that when you set up transactional replication, you should eitherreplicate to FILESTREAM, or change the maximum replication data size configurationsetting so that values larger than 64 KB can be stored and replicated.To change the maximum replication size configuration setting, right-click on the SQLServer instance in SSMS Object Explorer and click Properties, navigate to the Advancedtab and edit the setting, as shown in Figure 10-2.Once the maximum replication data size setting has been increased, you will be able toreplicate FILESTREAM data values to VARBINARY(MAX) that are less than, or equal to,the size specified.355
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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 6: FILESTREAM with SSIS and
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Creating a data sourceChapter 6: FI
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Chapter 7: FILESTREAM Database Admi
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Fixing corrupted dataChapter 7: FIL
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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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