I need to relate two tables using SQLAlchemy 0.7; one is in a MySQL database, and the other is in an Oracle database.
It took me a while, but I figured out how to use SQLAlchemy to model a relationship across two different kinds of databases:
How to relate or associate an object in JavaScript to an HTML element? For each object in an array, I generate a checkbox input element based on that object.
I\'ve been studying Core Data quite a bit now, and I\'ve now decided it\'s time to use it in a new project I\'m doing.
I have two entity with a many-to-one relationship. For example Employee <<---> Shop. When I create a new employee, I can choose a shop for it. I fetch all the available shops and then I selec
Can anyone explain how to implement one-to-one, one-to-ma开发者_运维问答ny and many-to-many relationships while designing tables with some examples?One-to-one: Use a foreign key to the referenced tabl
Say if I have two entities: MySubscription and AllSubscription, MySubscription has a one to one relationship to AllSubscription, thus AllSubscription has a inverse relationship to MySubscription, say:
I have two tables books and tags which are in a many-to-many relationship via the table books_tags. What I want to do is select all books that have one or more tag(s) like \'%tag%\'. No problem. Howev
Why relationship classes attribute is not attribute? $ rs = ResourceServer.new => #<ResourceServer id: nil, resource_id: nil, server_id: nil, created_at: nil, updated_at: nil>
Relationship relation = new Relationship(\"campaignlist_association\"); Entity campaign = (from c in orgServiceContext.CreateQuery(\"campaign\")