junction-table

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Complex Database Relations (Junction Tables)

My Question is about the idea of combining two junction tables into one, for similarly related tables. Please read to see what I mean. Also note that this is indeed a problem I am faced with and there[详细]

2023-04-08 05:48 分类：问答
Relating Tables with no previous Relation (SQL Server)

EDIT: I swapped out my structural implementation, but my problem still remains the same; i.e. First creating a Publication object (if it doesn\'t yet ex开发者_运维技巧ist) before creating the SvcReque[详细]

2023-04-04 19:54 分类：问答
Junction Table & Normalization Question

I am having a hard time trying to figure out if the following design pattern is acceptable. I have the following requirements (and some other more) for a relational model:[详细]

2023-03-17 02:48 分类：问答
Entity Framework 4 Navigation properties missing from Data Sources

I have DB that contains 3 tables - Actors, Films, Actors_Films.2 of the tables have a many-to-many relationship (Actors and Films), which is modelled using a junction table (Actors_Films).[详细]

2023-03-11 05:55 分类：问答
Junction tables in T-SQL

In my database application, when I try t开发者_如何学Co attach a page to a site, I get the following error:[详细]

2023-01-14 20:20 分类：问答
MS-Access Junction Table Inserts/Deletions Between Two Mutually Exclusive Lists (2 Listboxes)

With this kind of design, I would like to create a functionality with which to add and delete records from the junction table.[详细]

2023-01-09 06:01 分类：问答
Primary Key / Clustered key for Junction Tables

Let\'s say we have a Product table, and Order table and a (junction table) ProductOrder. ProductOrder开发者_JS百科 will have an ProductID and an OrderID.[详细]

2022-12-22 15:10 分类：问答
How to retrieve the last autoincremented ID from a SQLite table?

I have a table Messages with columns ID (primary key, autoincrement) and Content (text). I have a table Users with columns username (primary key, text) and Hash.[详细]

2022-12-17 18:52 分类：问答