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Programming with FileStream Object

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Presentation on theme: "Programming with FileStream Object"— Presentation transcript:

1 Programming with FileStream Object
By Sam Nasr, MCAD, MCT, MCTS Nasr Information Systems February 5, 2011

2 Agenda Housekeeping/Introduction Presentation Demo Evaluations

3 Housekeeping Cell Phones on vibrate please Bathrooms
Forum for learning - Feel free to ask questions

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

5 Audience Poll How many developers?
How many DBA’s aspiring to be developers? .Net Expertise (Jr vs. Sr.) ?

6 System Requirements Supported Operating Systems:
Windows Server 2003 Service Pack 2 Windows Server 2008 Windows Vista Windows XP Service Pack 2 For all download types: 32-bit systems: Intel compatible Pentium III 600 MHz (1 GHz recommended) 64-bit systems: 1 GHz CPU 512 MB of RAM (1 GB recommended) 675 MB of available hard disk space

7 Demo Environment Intel core Duo CPU 2.40 GHz 4GB RAM 500 GB HD
Visual Studio 2010 Ultimate (64-bit) SQL Server 2008 Enterprise (64-bit) Windows 7 Ultimate (64-bit) / Windows Server 2008 Implemented using “Shrink volume…”

8 What’s the dilemma behind FileStream?
How should large binary files be stored? Keep files in DB so everything is centralized and backed-up, but decrease DB performance? Store links to files in DB and risk files getting moved or deleted, but increase DB performance?

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 Fabricated internal use NOT a real UNC path

12 Demo

13 Conclusion Let’s recap…

14 References Programming Microsoft SQL Server 2008
FileStream in SQL Server 2008

15 Thank you for attending!
Contact Info Blog: Twitter: LinkedIN: SpeakerRate: Thank you for attending!


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