Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.
Object Relationships, Bulk Loading, and Sharing Recalculation
Choices that you make when designing your data models can have a major impact on
sharing performance when data is loaded, updated, or transferred between users.
Understanding how Salesforce handles the relationships between objects and protects data
integrity during updates can help you optimize the performance of data
operations.