When comparing Entity Framework vs Venflow, the Slant community recommends Entity Framework for most people. In the question“What are the best ORMs for C#?” Entity Framework is ranked 3rd while Venflow is ranked 9th. The most important reason people chose Entity Framework is:
List all versions of a schema, apply one or go back to a previous version.
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Pros
Pro Migrations API
List all versions of a schema, apply one or go back to a previous version.
Pro Database support
Supports most popular databases.
Pro Documentation
Better than the chaotic and confusing NHibernate documentation.
Pro Typesafe queries
Linq2Sql allows writing queries using the actual ORM types. This prevents issues when modifying the schema/entities.
Pro Avoids creation of inline SQL queries
No longer do you have to create/close SQL connections every time you want to interact with the database. You also don't have to maintain a database reader to handle the results retrieved from the database; all of this functionality is easily handled through LINQ queries and Entity Framework.
Pro Database agnostic
You can quite easily migrate from using one DB technology to another.
Pro Non intrusive object model
Object model is non-intrusive and consistent.
Pro Fast
Pro Effective
Venflow has some very innovative solutions that reduce memory usage
Pro Change tracking
Simple change-tracking for update operations.
Cons
Con Complicated
For simple data storage scenarios, EF may be unnecessarily complicated to learn.
Con Performance
Micro-ORMs have better performance.
Con Only PostgreSQL
Only PostgreSQL is supported at the moment.