The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLLab 3: FILESTREAM and LINQ to SQLThis lab presents a very basic example that will help you to get started writing applicationsthat use LINQ to SQL classes to access the FILESTREAM data. Just as we saw withthe default EF approach in Lab 2a, LINQ to SQL also accesses FILESTREAM data throughT-SQL interfaces only; it is not capable of accessing the FILESTREAM data using Win32or Managed APIs.To complete this lab, we will follow the procedure below.1. Create a console application project.2. Add a LINQ to SQL class object to the project.3. Create a LINQ to SQL wrapper class for the Items table.4. Use LINQ to SQL to add a new row with a FILESTREAM value to the table.5. Query the table using LINQ to SQL and retrieve FILESTREAM data.Creating a new console application projectLet's get started. Open Visual Studio, and create a new console application project byselecting File | New | Project as demonstrated in the previous labs.Adding a LINQ to SQL classThe next step is to add a LINQ to SQL class to the project. Right-click on the project inthe Solution Explorer and select Add | New Item. Then, in the Add New Item dialog box,select LINQ to SQL Classes, and rename the class to NorthPoleDB (Figure 4-14).158
Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLFigure 4-14:Adding a LINQ to SQL class.Click Add to add the class to the current project. This will open the ObjectRelational Designer. The designer window will be empty because we have notyet done any mapping.Defining object relational mappingsThe next step is to define object relational mappings for the Items table. Open the ServerExplorer window by clicking the Server Explorer hyperlink in the Object RelationalDesigner window (Figure 4-15).159
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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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Creating a data sourceChapter 6: FI
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Fixing corrupted dataChapter 7: FIL
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Chapter 9: Investigating FILESTREAM
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Chapter 10: Integrating FILESTREAMw
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Chapter 11: FileTableThe addition o
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Chapter 11: FileTableColumn Namestr
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Chapter 11: FileTable-- Find the pa
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Chapter 11: FileTableSELECT file_st
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Chapter 11: FileTableListing 11-29
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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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