Salesforce Platform Developer I Certification Guide

Updating records

The user can update records when he/she has the profile access Edit on the respective object to update. When you need to update records with a DML statement, there is always one item required: the recordId. You cannot update a record without the 15-or-18 character-long identifier of that record.

The use of the DML statements to update is more or less the same as the statements for inserting records. Instead of the insert statement (to insert records), we now use the update or Database.update(Object) statement. Let's update some records:

1. First of all, we need to select some records to update. Let's select some Cast records and update the rating of how well the role is played by the actor.
2. Then, we will create a new custom ...