This is the SQL: CREATE TABLE user ( userID INTEGER UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL, username VARCHAR(100) NOT NULL,
(All code is some 开发者_开发百科kind of pseudocode, just for better reading I have an Invoice model:
I have a Evaluation similar to this: Evaluation.rb has_one :cardio has_one :neuro Cardio.rb belongs_to :evaluation
I\'m trudging ahead with an ecommerce database desgin in EF 4.1 Code First. I\'ve come to a situation where I think I\'m justified, but not sure..
I have two tables, one \'users\' and one \'orders\', where the order table has a foreign key reference to the u开发者_Python百科ser id table. (I\'m using email address as user id in this case.)
Can I change a va开发者_运维问答rchar constraint in SQL Server 2005, after I have defined my PK\'s and FK\'s?
I\'ve got a series of comboboxes made from ASP.NET开发者_StackOverflow社区 DropDownLists (populated from a select command from an SqlDataSource by DataSourceID), and <input> element, and the jQuery
I use latest django-piston 0.2.3rc1 (but may downgrade if needed). class MaintenanceHandler(CsrfExemptBaseHandler):
My professor whom is teaching a database course asked the following question - currently I have no idea where to start as this seems like an unusual question to ask.
The title, while long, pretty much says it all. What I have is a master table with a bunch of supporting table relations through foreign keys. For a few of the foreign tables, upon attempting to inse