Salesforce Platform Developer I Certification Guide

Methods of DML

When you want to use DML in other programming languages, you need to connect to the database, and, depending on the language, you create your statements to manipulate the data you need. For example, in PHP, you need to connect to your database and write a query to update your data.

In Salesforce (Apex), we use some predefined statements that insert, update, delete, and recover data in the database. Because Apex is a data-focused language, we have direct access to the database. Let me give you an overview of all the DML statements in Apex, with the short version and the database version, including the result, as follows:

Action	DML statement	Database DML statement
Insert records	(void) insert records;	(List<Database.SaveResult>) ...