The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 9: Investigating FILESTREAM DatabasesINNER JOIN sys.data_spaces dON d.data_space_id = t.filestream_data_space_idWHERE p.filestream_filegroup_id > 0/*TableName FileGroup FolderName--------- ------------- ------------------------------------Items1 NorthPole_fs1 041C0478-8EB6-4C65-B0AD-12E29DF69D09Items2 NorthPole_fs2 AEA2F2A4-4CA5-4790-AB16-1F78379D69C8*/Listing 9-10:Retrieving the FILESTREAM folders associated with each table in the current database.Note that, without the WHERE clause, two rows are returned for each table withFILESTREAM columns. The second row contains NULL as the filestream_guid value.There are two rows in sys.system_internals_partitions for a single table withFILESTREAM columns. The difference seems to be in the filestream_filegroup_idfield that is set to "0" for the row that has the NULL in the filestream_guid field.If the FILESTREAM table is partitioned, SQL Server will create a root folder per partitionin the table. If you have partitioned FILESTREAM tables, you might need a slightlymodified version of the above query to determine the FILESTREAM folder names of eachpartition, as shown in Listing 9-11. It is interesting to note that SQL Server does not listthe NULL row we saw earlier when the table is partitioned; therefore, this query does nothave the same WHERE clause.SELECTt.Name AS TableName,sip.partition_number AS PartitionNumber,sip.filestream_guid AS FilestreamFolderFROM sys.system_internals_partitions sipINNER JOIN sys.partitions p ON p.partition_id = sip.partition_idAND sip.filestream_guid IS NOT NULLINNER JOIN sys.tables tON t.object_id = p.object_id342
Chapter 9: Investigating FILESTREAM Databases/*TableName PartitionNumber FilestreamFolder--------- --------------- ------------------------------------Items 1 8C2E5B76-40E9-4F14-81D1-809DD2AB377EItems 2 9410B335-DF04-48B1-BC14-6B7DE5022133Items 3 5C3C61C5-978B-4014-A8BA-B35FE79127DA*/Listing 9-11:Retrieving the FILESTREAM folders of each partition.Identifying the FILESTREAM filegroup associated with eachFILESTREAM tableListing 9-12 retrieves all the FILESTREAM tables in the current database and shows theFILESTREAM filegroups associated with each table.SELECTt.name AS TableName,f.name AS FilestreamFileGroup,fl.physical_name AS FilestreamFolderFROM sys.tables tINNER JOIN sys.filegroups fON f.data_space_id = t.filestream_data_space_idINNER JOIN sys.database_files flON fl.data_space_id = f.data_space_id/*TableName FilestreamFileGroup FilestreamFolder--------- ------------------- --------------------------------------Items2 NorthPole_fs C:\ArtOfFS\Demos\Chapter9\NorthPole_fsItems3 NorthPole_fs C:\ArtOfFS\Demos\Chapter9\NorthPole_fsItems4 NorthPole_fs C:\ArtOfFS\Demos\Chapter9\NorthPole_fsItems NorthPole_fs C:\ArtOfFS\Demos\Chapter9\NorthPole_fs*/Listing 9-12:Retrieving all the FILESTREAM tables and their FILESTREAM filegroups.343
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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 3: Accessing FILESTREAM Dat
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Chapter 4: FILESTREAM with EntityFr
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Chapter 4: FILESTREAM with Entity F
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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 7: FILESTREAM Database Admi
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Fixing corrupted dataChapter 7: FIL
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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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