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Can you change a custom field's definition from lookup to master-detail?
1) Yes
2) No

User Pretty
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1 Answer

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Final answer:

Yes, you can change a custom field's definition from lookup to master-detail, but certain conditions must be met such as no orphan records and all detail records being linked to a master record. This change has significant data and user interface implications, requiring careful planning.

Step-by-step explanation:

When it comes to changing a custom field's definition in a database or a customer relationship management (CRM) system like Salesforce, it's important to understand the difference between a lookup relationship and a master-detail relationship. A lookup relationship is essentially a looser connection between two objects where the records remain independent. In contrast, a master-detail relationship is a tighter coupling where the detail record's life cycle (creation, update, deletion) is dependent on the master record.

To answer the question, yes, you can change a custom field's definition from lookup to master-detail, but there are important prerequisites that must be met. For instance, there should be no orphan records (details without associated masters), all detail records must be associated with a master record, and the lookup field in question cannot contain any null values since master-detail relationships require all detail records to be linked to a master record.

Once these conditions are met, an administrator can convert the relationship type, usually through the system's interface by editing the field's properties. This action can have significant effects on data security, reporting, and how users interact with these records. Therefore, careful planning and consideration of the implications are vital before making such a change.

User Hukeping
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