ORM
short answer: Quite probably, as SQL Azure is very similar to SQL Server longer answer: Object Relational Mappers (ORMs) that work with SQL Server are likely but not guaranteed to work with SQL Azure. The differences between the RDBMS versions are small – but may cause problems, for example in tools used to create the mapping between objects and tables or in generated SQL from the ORM which expects “certain things” :-) More specifically: ADO.NET Entity Framework / LINQ to Entities can be used with...
Posted On Monday, June 07, 2010 4:05 PM | Feedback (0)
Last night (3rd Dec 2009) I was lucky enough to be speaking at my local (and most excellent) user group http://www.dotnetdevnet.com/. There were plenty of mince pies and lots and lots of swag to give away – plus great questions and chats in the breaks. Thoroughly enjoyed it. Slides: Entity Framework 4 In Microsoft Visual Studio 2010 - ericnel View more presentations from ukdpe. Links from the session: Install VS2010 Beta 2 http://bit.ly/vs2010b2 LINQPAD beta for Visual Studio 2010 Beta 2 http://linqpad.net/Beta.aspx...
Posted On Friday, December 04, 2009 9:04 AM | Feedback (0)
I thought it would be useful (at least to me!) to summarise the new stuff in Entity Framework 4 given it actually comes in 2 parts. The list is a simplified and categorised version of this and this. General Foreign Keys now added: EF 4 now includes a new type of associations (Foreign Key Associations) that allow you to have Foreign Key properties on your entities. They are the default although the EF v1 Independent Associations remain. Lazy Loading on by Default in new Models: Also name change from...
Posted On Friday, November 06, 2009 4:37 PM | Feedback (0)
There seems to be enough confusion about the betas and ctps of Entity Framework 4 to warrant a brief post. Hopefully this should clear things up nicely. Put simply: Most of Entity Framework 4 (EF4) will ship with .NET Framework 4 and Visual Studio 2010 (.NET4/VS2010), however not all of it will. Most of EF4 is therefore in the beta releases of .NET4/VS2010, however not all of it is. The missing bits of EF4 appear in EF4 Feature CTP releases “soon after” the release of a beta. Right now (Nov 6th 2009),...
Posted On Friday, November 06, 2009 4:13 PM | Feedback (0)
In March 2009 I presented on Entity Framework V1 and a little V2 at DevWeek 2009. MikeT caught me on camera while I was there. I have (rather embarrassingly) only just got round to publishing the video. Ultimately I run out of excuses and was only left with … I’m shy :-) I presented an updated version of the deck earlier this Month (May) which you can view here along with additional links...
Posted On Wednesday, May 20, 2009 4:16 PM | Feedback (0)
I’m very pleased to see that DataDirect have a beta of their Connect for ADO.NET Entity Framework provider for Oracle which now adds support for the ADO.NET Entity Framework. Still in Beta (1st may 2009) and available for download. Enjoy (and feedback what you find – tx) P.S. Other companies also provide this capability – but I know a lot of folks use DataDirect for Oracle work...
Posted On Friday, May 01, 2009 9:43 AM | Feedback (0)
Having been asked 5 times today for recommendations, I figure this post is long overdue: There are several books out there but IMHO these are the two you should purchase. Julia is focused entirely on Entity Framework (all 800+ pages!) and Roger takes a broader look at ADO.NET3.5 but does a great job on Entity Framework. Programming Entity Framework by Julia Lerman (Author) and Professional ADO.NET 3.5 with LINQ and the Entity Framework by Roger Jennings (Author)...
Posted On Wednesday, March 25, 2009 4:57 PM | Feedback (0)
Today I delivered a session introducing Entity Framework at www.devweek.com. I expanded the session to include a brief overview of the new stuff we should expect (but I don’t guarantee) will ship in .NET Framework 4.0 with Visual Studio 2010. First up, some useful links: Main ADO.NET Entity Framework site including “How To” videos Well written overview article My previous posts on Entity Framework Entity Framework v2 features http://blogs.msdn.com/efdes... ADO.NET team blog including plenty on the...
Posted On Wednesday, March 25, 2009 4:40 PM | Feedback (0)
Next week (23rd March 2009) I am speaking at DevWeek 2009. DevWeek is a great conference which attracts top notch speakers (plus me – I feel such a fraud whenever I present there!). It is IMHO the best developer focused conference we have in the UK and I can’t wait to get there and soak in the great sessions + catch up with familiar faces + meet plenty of new ones. Be warned. There is a rumour that we are being given some new toys (Flip video cameras) to play with while we are there. However don’t...
Posted On Thursday, March 19, 2009 4:46 PM | Feedback (0)
[Don’t forget to vote on what your experience has been with the Entity Framework in my marmite poll :-)] I get asked a lot about performance of our two ORMs against each other and against standard ADO.NET. The short answer is “Normally it is good enough. When it is not good enough, you need to do something to make it good enough” My slightly longer answer is “In general LINQ to SQL performs better on query, LINQ to Entities performs better on updates” But – people like numbers, tables and comparison...
Posted On Tuesday, March 17, 2009 11:21 AM | Feedback (0)
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