I\'m getting the (probably trivial) error, but completely clueless about the possible causes. I want to insert two object in the DB using SQLAlchemy. Those objects are related, here are the declaratio
Our current ORM solution uses Data Mappers to represent tables / views in the database which then return a Collection object that can be used to iterate through the retrieved records as Model objects.
Is it necessary for two SQLAlchemy models to inherit from the same instance of declarative_base() if they must participate in the same Session? This is likely to be the case when importing two or more
I am developing a enterprise software for a big company using Oracle. Major processing unit is planned to be developed in PL/SQL. I am wondered开发者_如何学C if there is any ORM like Hibernate for Jav
I\'m trying to follow DDD, or a least my limited understanding of it. I\'m having trouble fitting a few things into the DDD boxes though.
I know what i want but not sure of the name and required tools so here goes... I have a few different sql tables.
I have been using开发者_高级运维 Linq-to-SQL. What is a good option for working with mySQL? I have been looking at NHibernate, Entity Framework, etc. Some comparisons (pros, cons) would be helpfulLLBL
Lots of \"BAW\"s (big ass-websites) are using data storage and retrieval t开发者_Go百科echniques that rely on huge tables with indexes, and using queries that won\'t/can\'t use JOINs in their queries
I am just starting to model the data for a new C# project, which must be persistable. Looks like the most natural OO model will have lots of nested .Net generics. Lists of objects, and these objects
I\'d like to use Subsonic i开发者_如何学JAVAn a shopping cart application, but I\'m trying to replace code that is using Session to store an Order object.That Order object has a collection or OrderDet
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