I am new to Rails and am trying to set up my Models and was wondering how Rails handles associations.
I\'m trying to use the foreign key association approach to achieve a one-to-one association in EF. In my case there\'s an association between a User and a Team, and I need a navigation property in eac
I have Entity Relationship Model (ERD) where entities IndividualCategory and TeamCategory relate to entity Category. Now I want to create tables in Oracle DB. I started like this:
In a school system I have 2 tables, one called Staff which holds records of all member of staff for a school, teachers, admin, cooks and cleaners etc. Then I have a second table called Course with a f
I have three models: class Client < ActiveRecord::Base has_many :balancesheets has_many :investment_assets, :through => :balancesheets
SELECT t.tag_name FROM tags t JOIN resource_tags rt ON rt.tag_id = t.tag_id JOIN resource r ON r.resource_id = rt.resource_id
i have this mysql code, but when i delete an element of agrupamento, the child is not deleted in emprego, and it is supposed.
I created a test database as I need to switch to InnoDB because I need to use foreign keys and transactions.
Related Related to my other question: Comment system design 开发者_开发百科Data Design Let\'s say I have a tags table:
I\'m trying to understand the best way to define my POCO classes to be able to use Entity Framework code-first feature.
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