I\'m trying to delete all tables from a database except one, and I end up having the following error:
I\'m in the process of creating a social network. It has several entities like news, photo, which can have comments. Since all comments have the same columns and behave the same way, and the only diff
I\'ve made mistake creating clustered primary key on GUID column. There are many tables that reference that table with defined 开发者_StackOverflow中文版foreign keys.
What and when is the best way to use FK\'s without geting FK "redundancy". Let\'s say that i have three tables Account, Category and Product.
I havea set of InnoDB tables that I periodically need to maintain by removing some rowsand inserting others.Several of the tables have foreign key constraints referencing other tables, so this means t
I need help in auto populating the primary key values in foreign key table while inserting data in foreign key table. For Example: I have created table:
I have a model called SimplePage in which I have this line: category = models开发者_StackOverflow中文版.ForeignKey(\'Category\', related_name=\'items\',
I have a database, with several tables. The \"main\" table, called contacts, stores information about contacts, each having an id, a name etc...
can it make sense for one table to have multiple foreign keys? Suppose I have three tables, Table A, Table B and Table C.If I think of the tables as objects (and they are mapped to objects in my code
I just spent the last 3-4 hours trying to retrieve a foreign key value using linq to entities and a stored procedure. Any advice is much appreciated.