I have two tables. A users table and a profile table. The profile table has a foreign key of users_id. The models for the tables are set up with one to one relationships. When I try and save some data
In a database, one may create a many-to-many relationship between tables by creating a third table which maps the two together using foreign keys.What is the 开发者_StackOverflowrelationship between t
I am trying to get the list:reference field type to work for web2py, but for some reason I am getting an error. I am trying the example on http://web2py.com/book/default/chapter/06:
I have a similar problem. I want to make two inserts in the same transactionscope. The objects are related and have a FK relationship between them, but for several reasons I do not want to connect th
Background: I am playing around with the feedzirra plugin in a rails app, and I am attempting to utilize both the feed and entry accessors of the parsed feed in a single view.
I\'m trying to work around Postgresql 8.4\'s lack of MATCH PARTIAL. I have the following schema: [vehicles]
I have a model defined as class A < ActiveRecord::Base belongs_to :b belongs_to :c end How do I create a new instance of A associated with both b and c.开发者_高级运维 I\'ve got the ids for b an
I am trying to figure out the best Transact-SQL to transform non-relational tables into tables that are more relational, and support foreign keys.
Product product = new Product() { Category = category }; _session.CommitChanges(); vs. Product product = new Product() {
I have written quite a bit of code which uses the Linq2Sql table relationships provided to me just by having foreign keys on my database. But, this is proving to be a bit laborious to mock data for my
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