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Object-relational mapping (ORM) is a technique for mapping between object-oriented systems and relational databases.

2 votes

Do we achieve 100% Persistence Ignorance solution if we're not using ORM's POCO objects to m...

If you choose to not use ORM POCOs for your domain logic, fine. … you may need to force the ORM to retrieve it so it can be updated, depending on how the ORM is implemented. …
Otávio Décio's user avatar
90 votes

Is SQL important if I know ORM frameworks well?

Absolutely! SQL is still the lingua franca of databases and although you may do a lot with ORMs you have to understand SQL to understand the decisions ORMs make and the SQL they generate. Also, there …
Otávio Décio's user avatar
1 vote

ORM and component-based architecture

My general rule when it comes to ORMs is to keep one component per database schema, if you have separate components to deal with the same database I would agree that you are missing on ORM benefits. …
Otávio Décio's user avatar
45 votes

Is ORM an Anti-Pattern?

This is akin to asking "is a power drill an anti-pattern?". ORMs earned a good place in my toolbox, reducing my boilerplate code and I am still able to use custom SQL if necessary. So if it is an anti …
Otávio Décio's user avatar
4 votes

What kind of Web development projects benefit from using ORM?

The only web development projects that do NOT benefit from an ORM are the one not talking to a database at all. Which I believe are the minority (if any). …
Otávio Décio's user avatar