Changing Lookup to Master-Detail relationship

Changing Lookup to Master-Detail relationship

For changing Lookup to Master-Detail relationship, ensure that existing records are properly parented. Before changing Lookup to Master-Detail relationship, all the records should have lookup values.

If a field is created on Object ‘B’ with relation Lookup/Master-Detail to Object ‘A’, then Object ‘A’ is Parent/Master and Object ‘B’ is Child/Detail.

Converting a lookup to a master-detail-relationship changes the organization-wide default to Controlled by Parent and the sharing model is updated to public read/write.

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