Lesson: 11 | What is a “Lookup Relationship”?

Notes

Notes

Lookup is a loosely coupled relationship, allowing you to connect one object to another in a one-to-many fashion.

Lookup relationships are used when you want to create a link between two objects, but without the dependency on the parent object.
Up to 40 allowed for object after summer 16 release.
No impact on deletion.
Lookup field is not required

You can have a Total of 40 Relationship fields with a Maximum of 2 Master Detail Relationships.
So you can have all 40 as Lookup Relationship fields,
38 Lookup and 2 MD
39 Lookup and 1 MD relationship fields on an object

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Lesson: 11 | What is a “Lookup Relationship”?

Notes

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