DML

Bulkification and Best Practices

How to write Apex trigger logic that stays safely within governor limits regardless of whether it processes one record or two hundred.

sObjects and DML

Understand Apex's sObject data model and the insert, update, upsert, and delete DML operations used to change Salesforce records, including bulk patterns and e…

Difference Between DELETE, TRUNCATE and DROP

DELETE removes selected rows and can be rolled back, TRUNCATE quickly removes all rows but keeps the table structure, and DROP removes the entire table includi…