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- What is an ORM, how does it work, and how should I use one?
Introduction Object-Relational Mapping (ORM) is a technique that lets you query and manipulate data from a database using an object-oriented paradigm When talking about ORM, most people are referring to a library that implements the Object-Relational Mapping technique, hence the phrase "an ORM"
- 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
- What is the difference between an ORM and an ODM?
Essencially, an ORM use a SQL database Driver like ODBC, JDBC or OLEDB to translate the object notation to relational notation and an ODM use a JSON or JSONB api to translate the Object notation to Document notation There are different kind of implementations under the hood PS: JSONB is a JSON text document notation stored in a binary format as used by MongoDB
- The advantages and disadvantages of using ORM [closed]
ORM has a tendency to be slow 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
- What are some good Python ORM solutions? - Stack Overflow
Storm on the other hand, is quickly becoming my ORM of choice Docs are getting better, and the API is clean and simple, though i am a bit more used to the ActiveRecord pattern employed by the Django ORM, i finding Storm to be easy to navigate
- database - Why should you use an ORM? - Stack Overflow
If you are motivate to the quot;pros quot; of an ORM and why would you use an ORM to management client, what are those reasons would be? Try and keep one reason per answer so that we can see which
- Are there good reasons not to use an ORM? - Stack Overflow
The short answer is yes, there are really good reasons As a matter of fact there are cases where you just cannot use an ORM Case in point, I work for a large enterprise financial institution and we have to follow a lot of security guidelines To meet the rules and regulations that are put upon us, the only way to pass audits is to keep data access within stored procedures Now some may say
- How can I update SQLAlchemy ORM object by a Python dict?
@RichardWong: The ORM needs at least to verify that the entry exists and give the object a chance to interfere with the data (there may be hybrid properties, etc) You could create your own UPDATE statement with SQLAlchemy core, of course
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