Delete sharing in a Trigger
24009
How do I bulkify queries for directly or indirectly related records?
157873
How do I use on delete cascade in mysql?
80577
How to delete duplicates on a MySQL table?
133232
Deleted object would be re-saved by cascade (remove deleted object from associations)
101585
Truncate or delete all records in a custom object
87085
Static variables defined in a trigger
105329
Trigger to check for duplicate contacts on lead conversion
55671
How do reference a related object within a Salesforce Trigger?
148335
How to add one more condition in my trigger
139502
Getting error while writing a simple trigger
126010
Deletion of shared options using uninstall.php
117566
How to handle trigger recursion
125722
Roll up Summary via trigger for lookup relationship
157160
How do I cancel a Delete in SQL
32065
Attempt to de-reference a null object: Trigger
17364
Need help on trigger which is used to update parent record when child record value changes
115818
Lead assignment rule in a trigger