LINQ to SQL allow you to query and modify SQL Server database by using LINQ syntax. Entity framework is a great ORM shipped by Microsoft which allow you to query and modify RDBMS like SQL Server, Oracle, DB2 and MySQL etc. by using LINQ syntax. The difference between these two is given below.
T4 stands for Text template transformation toolkit which is a template-based code generation engine built into Visual Studio. It is available in Visual studio from Visual Studio 2008 and higher version of Visual Studio. T4 engine allows you to generate C#, T-SQL, XML or any other text files by using ASP.NET – ASPX template like syntax. T4 template has .tt extension.
A business domain is populated with related and interconnected entities which have its own properties and behavior. Most important thing is that each entity may have a state and can be bound to a possibly dynamic list of validation rules. EF allow developers to focus on the business domain and to model it in terms of classes.
Entity Framework code first migrations allows you to create a new database or to update existing database based on your model classes. Entity Framework5 code first migrations is only able to manage a single DbContext per physical database instance. Now, Entity Framework6 code first migrations is able to manage multiple DbContext per physical database instance.
Code-First approach allows you to define model classes as per the Domain requirements via POCOs. Hence, you have complete control over the classes being written or Implemented. Code First Migrations allow you to create a new database or to update existing database based on your model classes by using Package Manager Console exist within Visual Studio 2013 or Visual Studio 2012.
ADO.NET Entity Framework is an Object/Relational Mapping (ORM) framework that enables developers to work with various relational databases like SQL Server, Oracle, DB2, MYSQL etc. It enables developers to deal with data as business objects and entities.
Inheritance in the Entity Framework is similar to inheritance for classes in C#. In Entity Framework, you can map an inheritance hierarchy to single or multiple database tables based on your requirements. In this article, you will learn how to map your inheritance hierarchy to database tables in SQL Server.
In LINQ and Entity Framework, you have Lazy Loading and Eager Loading for loading the related entities of an entity. In this article you will learn the differences between these two loading.
LINQ to Entity is a great ORM for querying and managing database. It offers a lot of things, so it is mandatory to know about performance of it. These are right up to a certain point as LINQ comes with its own penalties. There are some tips and tricks that we should keep in mind while desiging and query database using entity framework ORM.
ADO.NET Entity Framework is an Object/Relational Mapping (ORM) framework that enables developers to work with relational database. It enabling developers to deal with data as objects and properties.Using the Entity Framework, developers issue queries using LINQ, then retrieve and manipulate data as strongly typed objects using C# or VB.Net.
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