What is true about master-detail relationship?

What is true about master-detail relationship?

Master-Detail relationships can convert to a lookup relationship if no roll-up summary fields exist on the master object. E. A Master-Detail relationship cannot be created if the custom object on the detail side already contains data.

What is the maximum number of master-detail relationship that can be defined in a single object?

Only up to two master detail relationships are allowed for an object. You can have only Upto three levels of custom detail levels. We can’t create a Master-detail relationship when the custom object already contains data. Each object is allowed to have one or two masters or up to 8 details.

Can you create a master-detail relationship on an existing?

In Master Detail relationship, parent object does not allow orphaned child records which means every record in the child object must be associated to parent Object. Example :- Creating Master Detail Relationship Between Hospital (Parent Object)and Invoice Object (Child Object). Here we have already created some records in Invoice Object.

Can a detail record be created without a master record?

A detail record cannot be created without a Master record. The permission on the detail record cannot be set. It inherits the permission from the master record. The detail record also inherits the sharing rule from master records. Both the master and detail records are automatically included in the report record types.

How are the relationships maintained in Salesforce Master?

The relationships are maintained by using the Relationship Fields. It is a custom field which links one object record to another. Through the creation of relationships, we can display the data of all the related records in the record’s details page.

When to use remote MD relationship in detail table?

Using local MD relationship is not recommended when detail table contains too many rows, because in remote MD relationship only records that correspond to the current record in master dataset are fetched. So, this can decrease network traffic in some cases.