cascading-deletes

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sql delete cascade not working

I have a Microsoft SQL Database with 2 tables: dog and cat. \"dog\" table has a primary key column called \"food\", which is related to a column called \"food\" as well in the \"cat\" table, which ac[详细]

2023-02-05 11:40 分类：问答
Don't Understand Sql Server Error

I have a table of users (User), and need to create a new table to track which users have referred other users. So, basically, I\'m creating a many-to-many relation between rows in the same table.[详细]

2023-02-04 10:58 分类：问答
foreign keys without on delete cascade

I have two tables: Challenge: challengeID INTEGER PRIMARY KEY ... And UserChallenge: ID INTEGERPRIMARY KEY challengeID INTEGER NOT NULL[详细]

2023-01-31 19:23 分类：问答
Does Grails cascade deletes when not using domain.delete()?

From the Grails site: http://www.grails.org/doc/1.0.x/guide/5.%20Object%20Relational%20Mapping%20(GORM).html[详细]

2023-01-30 23:48 分类：问答
Many-To-Many and cascades: Problem with entities deletion

I have the following two entities, with their mappings: public class VideoCategory : BaseEntity<VideoCategory>[详细]

2023-01-29 21:57 分类：问答
Why does Entity Framework not properly update OnDelete in CSDL (conceptual model)?

I recently updated a number of tables in the database to use OnDelete=Cascade, however, when I went to update my edmx file via Update model from database I noticed that the OnDelete was not properly u[详细]

2023-01-25 19:17 分类：问答
Hibernate cascade vs manual delete

I am using H开发者_开发知识库ibernate and a few times had to implement cascading DELETE operation from parent object to its children. I used the following two options.[详细]

2023-01-18 02:02 分类：问答
Follow up about [delete (cascade/restrict)] and Update (cascade/restrict)

I would like to know when to actually use delete cascade or delete restrict AND update cascade or update restrict. I\'m pretty confused using them or applying in my da开发者_Go百科tabase.Using the cas[详细]

2023-01-17 21:00 分类：问答
What makes this database's cascading deletes cyclical?

Vendor (PK) - Id Name Stand (PK) - Id VendorId - fk - cascaded delete if Vendor is deleted) Name Item (PK) - Id[详细]

2023-01-16 20:32 分类：问答
Is there a way to delete all foreign entities when i delete a record using NHibernate?

I recently began using Fluent Nhibernate for my data layer and have come across an issue.Whenever i want to delete a record that has multiple foreign key constraints,开发者_JAVA技巧 i have to create a[详细]

2023-01-16 09:52 分类：问答