How does EF work?
The Entity Framework enables developers to work with data in the form of domain-specific objects and properties, such as customers and customer addresses, without having to concern themselves with the underlying database tables and columns where this data is stored.
What is DbContext?
A DbContext instance represents a combination of the Unit Of Work and Repository patterns such that it can be used to query from a database and group together changes that will then be written back to the store as a unit. DbContext is conceptually similar to ObjectContext.
Should I use EF?
EF should be considered a great ORM framework which allows faster development, easier and quicker operations to the DB, as long as you are careful and know how it works in order to avoid certain mistakes and create performance problems.
What is the difference between DbContext and DbSet?
Intuitively, a DbContext corresponds to your database (or a collection of tables and views in your database) whereas a DbSet corresponds to a table or view in your database. So it makes perfect sense that you will get a combination of both!
What is the use of interceptors in Entity Framework?
Thank you. Entity Framework Core (EF Core) interceptors enable interception, modification, and/or suppression of EF Core operations. This includes low-level database operations such as executing a command, as well as higher-level operations, such as calls to SaveChanges.
How do I intercept a context in efef?
EF 6 provides the ability to intercept the context by implementing the IDbCommandInterceptor interface. The IDbCommandInterceptor interface includes methods which intercept an instance of DbContext and allow you to execute your custom logic before or after a context executes commands or queries.
How do I modify a query in an EF Core interceptor?
Another option is to use EF Core query tags to tag each query that should be modified. For example: This tag can then be detected in the interceptor as it will always be included as a comment in the first line of the command text. On detecting the tag, the query SQL is modified to add the appropriate hint:
What is savechanges intercept in EF Core?
SaveChanges interception Entity Framework Core (EF Core) interceptors enable interception, modification, and/or suppression of EF Core operations. This includes low-level database operations such as executing a command, as well as higher-level operations, such as calls to SaveChanges.