Appian Exam ACD101 Topic 3 Question 35 Discussion

Actual exam question for Appian's ACD101 exam

Question #: 35
Topic #: 3

You have two Custom Data Types (CDT): ACME_invoice and ACME_invoiceItem that have a flat relationship.

The invoice item table has a field that is a foreign key to the invoice table. You are leveraging the database to automatically generate their primary keys.

How should you structure the process model to add a new invoice and the new invoice items to the system?

A1. Write to Multiple Data Store Entities smart service (Writing to the ACME_invoiceItem table and ACME_invoice table).

B1. Write to Data Store Entity smart service (Writing to the ACME_invoiceItem table).
2. Script Task to update foreign keys.
3. Write to Data Store Entity smart service (Writing to the ACME_invoice table).

C1. Write to Data Store Entity smart service (Writing to the ACME_invoice table).
2. Script Task to update foreign keys.
3. Write to Data Store Entity smart service (Writing to the ACME_invoiceItem table).

Show Suggested Answer

Suggested Answer: C

When dealing with related data types where one has a foreign key to another, you must first create the record in the primary table (ACME_invoice) and then use the generated primary key to create related records in the secondary table (ACME_invoiceItem). This is why you first write to the ACME_invoice table, then update the foreign keys in a Script Task, and finally write to the ACME_invoiceItem table.

Appian Documentation: Relational Databases

by Royal at May 02, 2025, 01:49 PM

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Flo

11 days ago

I disagree, I believe option B is better because it ensures the foreign keys are updated correctly.

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Luke

12 days ago

I think option A is the best choice because it writes to both tables at once.

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