foreign-key-relationship
MSSQL: Unable to create relationships for two foreign keys to the same table?
Hi using SQL Server 2008, I\'ve built a small database for a baseball league, I\'m having problem creating relationships between the Teams(PK: TeamID) and GameSchedule(PK: GameID, FK1: HomeTeamID, FK[详细]
2023-02-25 08:32 分类：问答One table column for many fk tables?
What is the best solution/practice for situation like this? I have a table, that can reference to multiple tables (objects)?[详细]
2023-02-22 04:31 分类：问答MySQL Foreign keys: should i set it up?
Do i need to setting the foreign key for this situation ? i\'m weak in database design, especially in mysql.. may i know if i want to setting foreign keys f开发者_如何转开发or them, what should i sett[详细]
2023-02-22 03:08 分类：问答Foreign Key Duplication?
Probably a simple answer here, I hope, but seems like a difficult question to put into words. If you have a Foreign Key that essentially appears twice in a table, coming from two 开发者_运维百科Compo[详细]
2023-02-21 19:56 分类：问答NHibernate Mapping for class contained by multiple classes
I have a p开发者_如何学Croblem in NHibernate mapping. I have Class Company, Person and Address; Company and Person both can have Addresses hence i have taken Address in both. To store this I have tabl[详细]
2023-02-20 22:36 分类：问答Oracle: FK referring PK in multiple parent tables
In Oracle 10g, is it possible to define referential integrity constraints for a Foreign Key to refer to Primary Key in multiple parent tables.[详细]
2023-02-20 18:11 分类：问答SQL: Relational DB design - multiple FKs to same table
I was hoping someone开发者_StackOverflow中文版 could tell me if this would be bad database design:[详细]
2023-02-20 15:00 分类：问答How to query related entities (1:N relation) in entity framework
What is a better way to get related entities in scenarios like this: {class diagram here}? I wrote two ways (please also note the difference in class diagram)... Project has property with ICollection[详细]
2023-02-20 10:40 分类：问答Question about MYSQL foreign keys and orphan rows
If I add a foreign key between two tables, am I allowed to add orphan rows afterwards? Also when I\'m creating a foreign key between two tables, is there any way to create it ignoring the orphan rows?[详细]
2023-02-20 07:37 分类：问答Structure of referenced table by foreign key
I have the following database design question: I have a record that contains the following information:[详细]
2023-02-20 07:36 分类：问答
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