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Exam CRT-450 topic 1 question 34 discussion

Actual exam question from Salesforce's CRT-450
Question #: 34
Topic #: 1
[All CRT-450 Questions]

A developer needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the
Salesforce IDs of the parent records, but it does have a foreign key attribute that can be used to identify the parent.
Which action will allow the developer to relate records in the data model without knowing the Salesforce ID?

  • A. Create and populate a custom field on the parent object marked as Unique.
  • B. Create a custom field on the child object of type External Relationship.
  • C. Create and populate a custom field on the parent object marked as an External ID.
  • D. Create a custom field on the child object of type Foreign Key.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by am1 at May 6, 2020, 1:36 a.m.

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am1
Highly Voted 4 years, 6 months ago
I think the answer is C.
upvoted 16 times
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PP09
Highly Voted 4 years, 5 months ago
Ans is C - we don't have any data type as foreign key relationship
upvoted 9 times
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TDB97
Most Recent 5 months, 3 weeks ago
Selected Answer: C
Answer is C
upvoted 1 times
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helper_raw
11 months, 4 weeks ago
Selected Answer: C
we need the External ID
upvoted 2 times
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LordGreed
1 year, 10 months ago
Selected Answer: C
Answer is C You need an external ID on the Parent First then use Indirect Lookup Relationship Fields on External Objects. https://help.salesforce.com/s/articleView?id=sf.external_object_indirect_lookup_relationships.htm&type=5
upvoted 4 times
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Mitul_Shah
1 year, 10 months ago
Selected Answer: C
Answer is C
upvoted 2 times
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ronak_h33t
1 year, 11 months ago
Selected Answer: C
c.........
upvoted 3 times
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Jankovra
2 years ago
Selected Answer: C
It is C. The Parent as to have a field External Id to allow childs to reference him.
upvoted 4 times
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ApexMike
2 years, 1 month ago
D cannot be correct. There is no data type of 'Foreign Key' in SF. The answer is C.
upvoted 2 times
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Shubh01
2 years, 7 months ago
C, perfectionist
upvoted 1 times
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TestEm
3 years, 2 months ago
Answer: D. Create a custom field on the child object of type Foreign Key. Carefully read the link below, 'foreign' key is not necessary the word 'foreign' https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/langCon_apex_dml_foreign_keys.htm
upvoted 1 times
ApexMike
2 years, 1 month ago
The very first line in your link says you need to use External ID which is option C.
upvoted 1 times
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Max641
3 years, 2 months ago
"C" for two reasons. It has to be on the Parent object and their is no "foreign Key" type.
upvoted 2 times
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mukulADM
4 years, 3 months ago
c is the correct answer
upvoted 5 times
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Tushart023
4 years, 3 months ago
I think its option C only, we can map azureId.
upvoted 5 times
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C (25%)
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