Apex Developer Guide

Apex Developer Guide
Getting Started with Apex
Writing Apex
Data Types and Variables
Control Flow Statements
Classes, Objects, and Interfaces
Working with Data in Apex
Working with sObjects
Data Manipulation Language
How DML Works
Adding and Retrieving Data With DML
DML Statements vs. Database Class Methods
DML Operations As Atomic Transactions
DML Operations
Exception Handling
More About DML
Setting DML Options
Transaction Control
sObjects That Cannot Be Used Together in DML Operations
sObjects That Don’t Support DML Operations
Bulk DML Exception Handling
Things You Should Know about Data in Apex
Locking Records
SOQL and SOSL Queries
SOQL For Loops
sObject Collections
Dynamic Apex
Apex Security and Sharing
Custom Settings
Running Apex
Debugging, Testing, and Deploying Apex
Apex Language Reference
Appendices
Glossary
PDF

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sObjects That Don’t Support DML Operations

Your organization contains standard objects provided by Salesforce and custom objects that you created. These objects can be accessed in Apex as instances of the sObject data type. You can query these objects and perform DML operations on them. However, some standard objects don’t support DML operations although you can still obtain them in queries. They include the following:

  • AccountTerritoryAssignmentRule
  • AccountTerritoryAssignmentRuleItem
  • ApexComponent
  • ApexPage
  • BusinessHours
  • BusinessProcess
  • CategoryNode
  • CurrencyType
  • DatedConversionRate
  • NetworkMember (allows update only)
  • ProcessInstance
  • Profile
  • RecordType
  • SelfServiceUser
  • StaticResource
  • Territory2
  • UserAccountTeamMember
  • UserPreference
  • UserTerritory
  • WebLink

All standard and custom objects can also be accessed through the SOAP API. ProcessInstance is an exception. You can’t create, update, or delete ProcessInstance in the SOAP API.

Note