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5 questions
0
votes
1
answer
50
views
How to know wether a DELETE CASCADE will delete child records?
Lets say that I have a table A which is referenced by table B. Each record in table A may be referenced by multiple records from table B. This would be the classic "A has many B".
Table B ...
- 11
0
votes
1
answer
617
views
How can I prevent a rows with a particular attribute from being deleted in a cascade?
I have the following table
CREATE TABLE IF NOT EXISTS node (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
type TEXT CHECK(type IN ("DIRECTORY", "EXECUTABLE", "DOCUMENT&...
- 123
1
vote
1
answer
4k
views
SQLITE: Multiple foreign key referenced to multiple table cascade delete
In SQLite I would like to delete parent table row and it has to delete all the related child tables. I have gone through all the questions in StackExchange and other websites but my query no where ...
- 13
1
vote
1
answer
1k
views
parent child records - cascade deletes or transactions?
I'm about to create a parent and child table. In planning how to do CRUD operations on this data, I was wondering what is better design when it comes to deleting data.
I'm using SQLite. I know ...
- 771
2
votes
1
answer
14k
views
ON DELETE CASCADE not deleting entry for foreign key
I am running the below query in ideone
CREATE TABLE AUTHOR (
AUTHOR_ID NUMBER(5) PRIMARY KEY,
AUTHOR_NAME VARCHAR2(18)
);
INSERT INTO AUTHOR (AUTHOR_ID, AUTHOR_NAME) VALUES (1234, 'MC GRAW HILL');
...
- 121