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Yup, No SQL Server CE in Windows Phone 7

Yesterday's Windows Phone 7 launch extravaganza renewed the months-long debate among developers about database options--specifically, whether the new mobile OS should come with persistent local storage such as built-in SQL Server Compact Edition.

Microsoft's answer, of course, is go to the cloud. And if you don't want to do that, you can opt for a local storage alternative such as XML files, isolated storage or third-party embedded solutions such as Perst.

Besides the "The cloud is the answer. What's the question?" mentality in Redmond, many (even Microsoft people) have pointed out that Win Phone 7 targets consumers more than enterprises, so there is less need of any SQL Server.

Still, considering all the integration with other Microsoft technologies such as Xbox, Office and so on, it seems strange there's no stated intention to provide SQL Server in the future, like they're doing with copy-and-paste functionality. Surely Microsoft isn't going to ignore the enterprise market, and developers in the enterprise market have clearly stated their preference. Check out these comments from the debate mentioned above on an MSDN forum:

  • No database in WM7 Phones? This is ridiculous! 
  • With this I may stick into iPhone development.
  • Without real database support, a phone is just a portal device.  It will have very little value in itself, and will be easily replaced with the next shiny new portal device with a flashy UI.
  • This is indeed a step backward from WM 6.5. Why not implement Sql CE Compact? You cannot write real business application without database support and cannot presume that we live in an always connected world. Developers need database support ... Are you really considering not to implement it?
  • This doesn't make any sense, surely it can't be a huge undertaking to incorporate SQL Server Compact with its managed wrapper into Windows Phone 7?
  • We just started our project (2 months ago) to move to WM ... THE one deciding factor was SqlCe ... with that gone we will definitely regroup and probably move to Droid or iPhone before we throw any more resources after WM with no stated intentions!
  • I concur with everyone else...developers NEED database support on Windows Phone 7!

It's pretty obvious what mobile developers want. Is Microsoft listening?

What do you think? We'd love to hear your arguments, pro and con. Has anybody seen definitive indications that SQL Server CE is coming to Windows Phone 7? Comment here or drop me a line.

Posted by David Ramel on 10/12/2010


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