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Entity Framework (EF) is an open source [2] object–relational mapping (ORM) framework for ADO.NET. It was originally shipped as an integral part of .NET Framework, however starting with Entity Framework version 6.0 it has been delivered separately from the .NET Framework. Entity Framework 6.4 was the latest release of the classic framework.
"The disadvantage of this approach is that if this schema is changed the application is not shielded from the change." This is not the disadvantage of tying app code to db schema, this is a myth. DB schemas should NOT change in ways that break apps. And if/when they do (such as during development), it's probably because the app is required
Object–relational mapping (ORM, O/RM, and O/R mapping tool) in computer science is a programming technique for converting data between a relational database and the memory (usually the heap) of an object-oriented programming language.
Entity Framework, included in .NET Framework 3.5 SP1 and above; iBATIS, free open source, maintained by ASF but now inactive. LINQ to SQL, included in .NET Framework 3.5; NHibernate, open source; nHydrate, open source; Quick Objects, free or commercial
Entity Framework Core [ edit ] public class DataSeedingContext : DbContext { public DbSet < Blog > Blogs { get ; set ; } public DbSet < Post > Posts { get ; set ; } protected override void OnConfiguring ( DbContextOptionsBuilder optionsBuilder ) => optionsBuilder .
An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design. The use-case targets applications which offer a large ...
Examine current entity-level controls to determine what controls have been placed into operation. Also, identify important entity-level controls that may be missing in the current framework. Then link the entity-level controls best suited to address the identified risks. Evaluate the design and operating effectiveness of entity-level controls
A questionnaire is a research instrument that consists of a set of questions (or other types of prompts) for the purpose of gathering information from respondents through survey or statistical study. A research questionnaire is typically a mix of close-ended questions and open-ended questions.