Cascade refers to a table-definition keyword in relational databases; it instructs the query engine to take a certain action (delete, update), when a primary key is modified, on tables linked by a foreign key.
I have such model: class Place(models.Model): name = models.CharField(max_length=80, db_index=True) city = models.ForeignKey(City) …
python django foreign-keys cascadeI have two tables: orders and orders_items. Both sharing the field orderID. I want to delete all rows from …
mysql cascadeI am doing a view to delete (using the generic view DeleteView from Django) an instance from a model, but …
django view cascadeI’m using Rails 4.2.3 and a PostgreSQL database. I want to write a migration to update one of my foreign …
ruby-on-rails-4 foreign-keys migration constraints cascadeI am then using Fluent NHibernate and its automapping feature to map the the following simplified POCO classes: public class …
nhibernate fluent-nhibernate cascade many-to-oneI've spent a good amount of time trying to figure out how to implement a CASCADE ON DELETE for recursive …
sql sql-server recursion constraints cascadeIn oracle, I can issue a DROP TABLE ... cascade constraints and it won't complain about FKs, etc. Is there an …
tsql cascadeI have a problem Hibernate does not update 2nd level cache for a collection of items which are subject of …
java hibernate caching cascade second-level-cacheMy models.py file contains: class User(models.Model): email = models.CharField(max_length=100, unique=True) password = models.CharField(max_…
python mysql django cascade cascading-deletesI have two 2 classes in relation many to many. @Entity @Table(name = "recipies") public class Recipie implements Serializable { @Id @GeneratedValue(…
jpa many-to-many cascade illegalstateexception persist