These objects do not support Data Manipulation Language (DML) operations in Apex, but they do allow for SOQL querying. Here is the list of such objects:
- AccountTerritoryAssignmentRule
- Ezoic
- AccountTerritoryAssignmentRuleItem
- ApexComponent
- ApexPage
- BusinessHours
- BusinessProcess
- CategoryNode
- CurrencyType
- DatedConversionRate
- ProcessInstance
- Profile
- RecordType
- SelfServiceUser
- StaticResource
- UserAccountTeamMember
- UserTerritory
- WebLink