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5 Command line. 6 External links. ... Create (new IdentityRole ... Entity Framework Core. public class DataSeedingContext: DbContext ...
MyBatis Migrations is a Java command line tool that keeps track of database schema changes managing DDL files (known as migrations). Migrations allows to query the current status of the database, apply schema changes and also undo them. It also helps to detect and solve concurrent database schema changes made by different developers.
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.
BeginTransaction ()) {//The line below adds the customer to NHibernate's list of objects to insert to the database //but it doesn't execute SQL insert command at this stage*. //*if the Id field is generated by the database (e.g. an auto-incremented number) //then NHibernate will execute SQL INSERT when .Save is called session. Save (new ...
A schema migration is performed on a database whenever it is necessary to update or revert that database's schema to some newer or older version. Migrations are performed programmatically by using a schema migration tool. When invoked with a specified desired schema version, the tool automates the successive application or reversal of an ...
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.
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This technology forms a part of .NET Framework 3.0 (having been part of the framework since version 1.0) ADO.NET is conceptually divided into consumers and data providers. [ 2 ] The consumers are the applications that need access to the data, and the providers are the software components that implement the interface and thereby provide the data ...