Anyone know about Cascade events in a relational data base system? How it works, how it helps and if the开发者_开发百科re are any disadvantages. Thanks.Cascade events are quite simple really.For examp
According to http://dev.mysql.com/doc/refman/5.6/en/innodb-foreign-key-constraints.html If ON UPDATE CASCADE or ON UPDATE SET
I am having this problem.. using (var transaction = Session.BeginTransaction()) { var t = new Ticket(); 开发者_高级运维t.Title = \"TestTicket\";
I have table \"A\" in MySQL. It has some references with cascade deleting to some other tables (\"B\", \"C\", \"D\" ...). I need to use a trigger when something deletes from \"A\". This trigger works
I\'m relatively new to configuring NHibernate and have run in to a problem. I have the following entities :
I\'ve manually created some data adapters – using the auto-generated ones is not viable due to version incompatibilities, for a dataset made of a number of tables with the usual mixture of PK, FK con
What\'s the difference in a MySQL FK between RESTRICT and N开发者_Python百科O ACTION? From the doc they seem exactly the same. Is this the case? If so, why have both?From MySQL Documentation: https://
Hi I have a one to many ComplianceSet -> ComplianceItem.ComplianceItem has a one to many ComplianceItem -> ComplianceItemInstance.
I\'m trying to set up a project using hibernate.I have two tables : Users and Address with the following mappings :
I have problem with deleteing rows in table which has trigger which invokes trigger of second table, which updates row in first table. Here is the description:
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