Question 700
At fictional Zincfield Sports, the Business Central development team is supporting equipment sales and replenishment and reviewing object model and application extensibility during an extension maintenance sprint (MB820-3.1-058). The observed development issue is that a table extension adds a required field to existing records without an initialization strategy. Which observed result would most clearly show the intended correction works?
Explanation
Correct Answer
This is the outcome that directly verifies the intended correction: installation succeeds and historical records remain valid under the new schema. The related solution is to use a compatible field design and controlled initialization that respects existing rows; it is based on the principle that data schema extensions must account for previously stored records.
Incorrect Answers
“The standard Customer table remains intact and the field is visible after extension installation” concerns the alternative task “create a tableextension to add the field and a pageextension to surface it on the customer page”, but the stated failure is that a table extension adds a required field to existing records without an initialization strategy. The required measure is to installation succeeds and historical records remain valid under the new schema.
The proposed “The approved role sees the field in the expected group without replacing the base page” tests a different control: add the field in the appropriate pageextension layout section and verify ApplicationArea and permissions. The reported condition is that a table extension adds a required field to existing records without an initialization strategy; the more direct action is to installation succeeds and historical records remain valid under the new schema.
“The UI supports header navigation and related line entry using the intended structure” concerns the separate step “select the proper Document page pattern and related subpage for line data”. The reported issue is that a table extension adds a required field to existing records without an initialization strategy, so the direct response is to installation succeeds and historical records remain valid under the new schema.