self-reference

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Getting hierarchical data from self referencing table in SQL 2005

I am using SQL 2005, with existing data of millions of records (so data structure can not be changed) and I\'m trying to do the following:[详细]

2023-02-21 04:35 分类：问答
SubSonic and self-referencing table

We are having some problems with SubSonic\'s ActiveRecord template and a self-referencing table. We have a table, Category, that can contain sub-categories. The table contains a primary key (Id) and[详细]

2023-02-20 10:17 分类：问答
SQLAlchemy Self Referencing Relationship - NoReferencedTableError

I\'m using SA 0.6.6, Declarative style, against Postgres 8.3, to map Python objects to a database.I have a table that is self referencing and I\'m trying to make a relationship property for it\'s chil[详细]

2023-02-18 06:58 分类：问答
SQL Server - self referencing constraint

Using SQL Server 2008 I have a table that contains stock/share/security information. This table holds the stocks that could be been owne开发者_高级运维d.[详细]

2023-02-09 22:50 分类：问答
What's the best way to destroy both sides of a self-referential association?

In my project, I have a self-referential association. I have a User model: class User < ActiveRecord::Base[详细]

2023-02-03 03:14 分类：问答
JSP/Struts2/Hibernate: loop through a self-referencing table

Let\'s say we have a self-referencing table called PERSON, with the following columns: ID, PARENT, where PARENT is a foreign key to the ID column of another element in the PERSON table. Of course, man[详细]

2023-02-02 19:57 分类：问答
Mongoid self-referencial join

I am currently working on a small Rails 3 app to help track secret-santas at work. I am all but done and completely stumped trying to sort out this last problem.[详细]

2023-01-29 12:37 分类：问答
Entity Framework Self-Referencial Many-To-Many with Payload ( Bill of Materials BOM )

I asked this question a while back without an answer, I believe it may be the most bizarre implementation for the EF, although it is quite practical. Here is my previous post:[详细]

2023-01-20 10:59 分类：问答
Self referential table and recursive SQL function

I have a category table with: categoryID parentCategoryID categoryName and an items table with: itemID categoryI开发者_Go百科D[详细]

2023-01-16 08:13 分类：问答
Uses of self referencing lists

I know it is possible to create a self referencing list in languages like Py开发者_开发知识库thon:[详细]

2023-01-16 05:38 分类：问答