EF 4.3 Automatic Migrations Walkthrough - ADO.NET Blog The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. For Automatic Migrations see We have released the first go-live release of our Code First Migrations work as part of Entity Framework 4.3. This post will provide an overview of the functionality that is available inside of Visual Studio for interacting with migrations. There is a separate Code-Based Migrations Walkthrough that shows how this same set of changes can be applied using purely code-based migrations. This post assumes you have a basic understanding of Code First, if you are not familiar with Code First then please complete the Code First Walkthrough. Building an Initial Model & Database Before we start using migrations we need a project and a Code First model to work with. Create a new MigrationsAutomaticDemo Console application. . Enabling Migrations It’s time to make some more changes to our model. Data Motion / Custom SQL
Document-oriented database This article is about the software type. For usage/deployment instances, see Full text database. A document-oriented database is a computer program designed for storing, retrieving, and managing document-oriented information, also known as semi-structured data. Document-oriented databases are inherently a subclass of the key-value store, another NoSQL database concept. XML databases are a specific subclass of document-oriented databases. Documents[edit] The central concept of a document-oriented database are the documents, which is used in usual English sense of a group of data that encodes some sort of user-readable information. To understand the difference, consider this text document: Bob Smith 123 Back St. Although it is clear to the reader that this document contains the address for a contact, there is no information within the document that indicates that, nor information on what the individual fields represent. Now consider the same document marked up in pseudo-XML: See also[edit]
Heroku | Cloud Application Platform Entity Framework and Open Source The Entity Framework has advanced significantly over the last few years. A little over a year ago we released EF 4.1, which introduced the new DbContext API and EF “Code First” support. Earlier this year we delivered EF 4.3, which provides Code First Migration support that enables developers to easily evolve database schema in a code optimized way. And we are now in the final stages of wrapping up the EF 5 release, which adds enum support, spatial data types, table-valued function support and some significant performance and Visual Studio Tooling improvements. One of the things the team has done throughout the EF4 and EF5 development cycles has been to involve the community early as we make design decisions and solicit as much feedback as possible. Going forward with EF 6 we are looking to take this to the next level by moving to an open development model. Same Support, Same Developers, More Investment The team is really excited to move to this more open development approach. Learn More
SimpleDB Amazon SimpleDB is a highly available NoSQL data store that offloads the work of database administration. Developers simply store and query data items via web services requests and Amazon SimpleDB does the rest. Unbound by the strict requirements of a relational database, Amazon SimpleDB is optimized to provide high availability and flexibility, with little or no administrative burden. The service allows you to focus fully on value-added application development, rather than arduous and time-consuming database administration. Amazon SimpleDB automatically creates multiple geographically distributed copies of each data item you store. As your business changes or application evolves, you can easily reflect these changes in Amazon SimpleDB without worrying about breaking a rigid schema or needing to refactor code – simply add another attribute to your Amazon SimpleDB data set when needed. Amazon SimpleDB passes on to you the financial benefits of Amazon’s scale.
Windows Azure HDInsight - Welcome richardwilly98/elasticsearch-river-mongodb .net - Generate SQL CE database from EF Code-First DbContext class