Alternate keys

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Posted on by tpeschat

4,930

Hi.

I am thinking of defining alternate keys for my CRM entities, where I import data from our DWH to prevent creation of potential duplicates in CRM.

But for some entities I have imported data, where such an alternate key would exist, but also have records entered by users where the alternate key would be null.

I didn't find in the documentation, weither alternate keys are allowed to be null and weither multiple records with an alternate key of null can be created.

Any feedback would be appreciated.

thx Thomas

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jlattimer 24,562 on at

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Yes, alternate keys can be null and there can be multiple with null values. You'd only see an error if the value that was entered was duplicated.

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tpeschat 4,930 on at

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thx a lot

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Community Member on at

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Hi Jason,

Does this mean Dynamics 365 ignore NULL value as alternate key?

How about if I have a custom entity and 3 attributes.

The entity name is "Bank Account"

attribute 1 = "Bank Account ID" --> as Primary Field

attribute 2 = "Dimension 1"

attribute 3 = "Dimension 2"

Then I set "Dimension 1" and "Dimension 2" as alternate key.

What if, "Dimension 1" and "Dimension 2" is not mandatory but I want to keep these two attributes as unique.

Because at this time, if "Dimension 1" or "Dimension 2" fill in with blank value, we can save it

Thanks

Dafid Margetha

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rath.amit38@gmail.com 2 on at

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Hi,

Please refer the below links:

community.dynamics.com/.../define-alternate-keys-for-an-entity

community.dynamics.com/.../how-alternate-key-is-useful-while-importing-data-into-crm

Thanks

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