Include(“Categories”)) because projections can further reduce the amount of data to load. The fact of the matter is that products such as Entity Framework will ALWAYS be slow and inefficient, because they are executing lot more code.
Why is EF so slow?
Entity Framework loads very slowly the first time because the first query EF compiles the model. If you are using EF 6.2, you can use a Model Cache which loads a prebuilt edmx when using code first; instead, EF generates it on startup.
How do I make my Entity Framework query faster?
- Avoid to put all the DB Objects into One Single Entity Model. …
- Disable change tracking for entity if not needed. …
- Use Pre-Generating Views to reduce response time for first request. …
- Avoid fetching all the fields if not required. …
- Choose appropriate Collection for data manipulation.
Why is Entity Framework bad?
The first step to using Entity Framework correctly is to break the love affair with IEnumerable. It’s simply bad when talking about disconnected stores. The only thing IEnumerable gives us is delayed execution. If that’s the only feature you want out of your ORM, then you don’t need an ORM.
Is Dapper better than Entity Framework?
Dapper is super awesome to handle complex queries that sport multiple joins and some real long business logic. Entity Framework Core is great for class generation, object tracking, mapping to multiple nested classes, and quite a lot more. So it’s usually Performance and Features when talking about these 2 ORMs.
What are the disadvantages of Entity Framework?
- Lazy loading is the main drawbacks of EF.
- Its syntax is complicated.
- Its logical schema is not able to understand business entities and relation among each other.
- Logical schema of database is not capable of using certain parts of application.
- It is not available for every RDMS.
You may also read,
Is Entity Framework any good?
Conclusion. 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. Check the answer of
Which is better NHibernate or Entity Framework?
Entity Framework Core uses fluent (code-based) configuration and fluent or attribute-based mappings. … Custom conventions are very powerful in NHibernate, EF Core still doesn’t have them, and this is something that NHibernate is better at, right now. Both of them need mappings, in any form.
Why do we need Entity Framework?
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. Read:
Is Dapper code first?
Further, out of the box, Dapper supports only querying and updating through raw SQL, does not support configuring classes to match database tables, and doesn’t support code-first development. … If Dapper proves popular enough, you should expect more extension libraries to appear.
Which is faster ADO.NET or entity framework?
ADO.NET provides better performance as it is directly connected to the data source, which makes the processing faster than Entity Framework as it translates LINQ queries to SQL first then process the query.
Which is the fastest ORM?
Often regarded as the fastest ORM, Dapper is consistently at or near the top of . NET ORM benchmarks. As Dapper is mostly limited to calling raw SQL and materializing the results, it works essentially the same on .
Is Entity Framework faster than stored procedures?
I executed the same application at least 10 times and every time, the time taken by Entity Framework is almost 3-4 times more than the time taken by a stored procedure.
What is the advantage and disadvantage of Entity Framework?
Easy to map business objects (with drag & drop tables on environment). It keeps a good performance when you work with a small / middle domain model. Disadvantages: You have to think in a non-traditional way of handling data , not available for every database.
Is LINQ faster than SQL?
We can see right away that LINQ is a lot slower than raw SQL, but compiled LINQ is a bit faster. Note that results are in microseconds; real-world queries may take tens or even hundreds of milliseconds, so LINQ overhead will be hardly noticeable.
