1. FileTables By Sam Nasr, MCAD, MCT, MCTS NIS October 6, 2012

2. Housekeeping Forum for learning - Feel free to ask questions
Cell Phones on vibrate please
Exit stairways at end of hallway
Restrooms are near elevators
Please fill out surveys (see room monitor)
Presentations will be posted on SQL Saturday sight

3. Introduction Software developer since 1995
Sam Nasr
Software developer since 1995
Independent Software Consultant (Nasr Information Systems)
MCAD, MCT, MCTS(WSS/MOSS)
President - Cleveland C#/VB.Net User Group
President – Cleveland WPF User Group
INETA Mentor for Ohio
INETA Community Champ
Author for Visual Studio Magazine

4. What is your background?
.Net Developer
T-Sql Developer
DBA
Hobbyist/other role

5. System Requirements (Recommended)
6GB HD min (feature dependant)
4GB RAM min (increased per DB size)
2.0 GHz CPU x86 or x64
Vista, Win 7, Win Server 2008
NTFS recommended (FAT32 supported)
.Net 3.5 SP1/4.0
Note: All requirements are version dependant. See MSDN for more installation details.

6. Demo Environment Intel core Duo CPU 2.40 GHz 4GB RAM 500 GB HD
Visual Studio 2010 Ultimate (64-bit)
SQL Server 2008/2012 Enterprise (64-bit)
Windows 7 Ultimate (64-bit)
Note: Windows Server 2008 implemented using “Shrink volume…”
Shrink Volume:
Control Panel > Administrative Tools > Computer Management > Disk Management; right click C:

7. What is a FileTable?
A table containg meta data on files in a specific directory
New table type with predefined schema
Utilizes FileStream feature and HierarchyID data type
Uses share specified in FileStream

8. FileTable Contents Every row represents a file or a directory.
A FILESTREAM column for stream data and a file_id (GUID) identifier.
path_locator and parent_path_locator columns represent file/directory hierarchy.
10 file attributes
A type column that supports full-text search and semantic search over files and documents.

9. Enabling FileStream Machine level During installation
SQL Server Config Mgr
SQL Server Services |
SQL Server (MSSQLSERVER)

10. Enabling FileStream Server Instance Server Properties | “Advanced”
Stored Procedure
EXEC sp_configure filestream_access_level, n
RECONFIGURE
n=0: disabled FileStream completely
n=1: enabled for T-SQL access only
n=2: enabled for full access (remote file streaming)

11. Streaming BLOBs OpenSqlFileStream - native client API
GET_FILESTREAM_TRANSACTION_CONTEXT
Returns a token that represents the current transaction context of a session.
UNC Path

12. Hierarchy ID System Data Type Variable length
Enables hierarchal representation of a tree
Use ToString() to convert hierarchyid to nvarchar(4000) data type.
hierarchyid to XML conversion is not supported.

13. Hierarchyid Method Reference
GetAncestor
GetDescendant
GetLevel
GetRoot
IsDescendantOf
Parse
Read
GetReparentedValue
ToString
Write

14. Enabling FileTable Enable FILESTREAM at the Instance Level
Provide a FILESTREAM Filegroup
Enable Non-Transactional Access at the Database Level
Specify a Directory for FileTables at the Database Level

15. Demo
FileTables

16. Conclusion
Let’s recap…

17. Thank you for attending!
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