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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.
.NET Framework natively provides utilities for object–relational mapping [31] through ADO.NET, a part of the .NET stack since version 1.0. In the earlier years of .NET development, a number of third-party object–relational libraries emerged in order to fill some perceived gaps in the framework.
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 ...
Yolande Cornelia "Nikki" Giovanni Jr., the internationally recognized poet and provocateur, died Monday in Blacksburg, Virginia. She was 81. Giovanni was a prolific writer, activist, educator ...
A typical crosswalk button is an example of an idempotent system. Applied examples that many people could encounter in their day-to-day lives include elevator call buttons and crosswalk buttons. [17] The initial activation of the button moves the system into a requesting state, until the request is satisfied.
48-year-old Vincent “Vinny” Ferraiolo was found hanging from the ceiling of his exotic pet shop in Chesterfield, Virginia on January 3, 2014. The Chesterfield Police Department ruled his death ...
Actor Robert Redford and his artist wife Sybille Szaggars Redford are selling their secluded home in Northern California, which sits on an unpaved cul de sac along the San Francisco Bay, for $4.15 ...
public class DataSeedingContext: DbContext {public DbSet < Blog > Blogs {get; set;} public DbSet < Post > Posts {get; set;} protected override void OnConfiguring (DbContextOptionsBuilder optionsBuilder) => optionsBuilder.