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- What is an ORM, how does it work, and how should I use one?
ORM stands for "Object to Relational Mapping" where The Object part is the one you use with your programming language ( python in this case ) The Relational part is a Relational Database Manager System ( A database that is ) there are other types of databases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle
- orm - What is an Object-Relational Mapping Framework? - Stack Overflow
ORM (Object Relational Mapper) Object Relational Mapping (ORM) is a technique (Design Pattern) of accessing a relational database from an object-oriented language If you have used any kind of frameworks like Symfony (if you come from PHP background) Hibernate (Java), then your familiar with these
- What is the difference between an ORM and an ODM?
When talking about ORM, most people are referring to a library that implements the Object-Relational Mapping technique, hence the phrase "an ORM" Basically, in your application code, you are usually dealing with objects But in your database, you have tables An ORM is a library that maps between the two As Wikipedia explains:
- The advantages and disadvantages of using ORM [closed]
ORM fail to compete against SQL queries for complex queries In summary, I believe that the advantages of using an ORM (mainly the reduced time taken to perform repetitive tasks) are far outweighed by the disadvantages of ORM e g it's difficulty to get to grips with
- php - What is an ORM in a web application? - Stack Overflow
An ORM is an abstraction that is supposed to simplify working with a relational database in an object oriented language It's basically a set of classes and methods that let you create, retrieve and update data without using SQL directly
- How to use `from_orm` if the pydantic model defines aliases?
In newer pydantic versions (currently 2 5 3), orm_mode is renamed to from_attributes and allow_population_by_field_name to populate_by_name – Dimitrios K Commented Jan 5, 2024 at 15:06
- c# - What ORM for . net should I use? - Stack Overflow
It's very well possible that other ORM's better fit your need, especially if you never plan to use it in complex multi-database, multi-db-server or hard-to-map-to-OO legacy situations For me, NH shines because it doesn't limit me in any which way and supports full roundtrip engineering, but your choice might turn out different if features of
- database - Why should you use an ORM? - Stack Overflow
It might be true that from the perspective of writing single queries, relying on an ORM is easier But, with ORM's it is far too easy to create poor performing routines when developers don't understand how their queries work with the ORM and the SQL they translate into Having a data layer that works against multiple databases can be a benefit
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