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Databricks Certified Context Engineer Associate · Databricks
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- Correct answer : A — Add column descriptions noting `created_at` is signup time, `updated_at` is last-modified time. A . Correct. The ambiguity is purely semantic: two similarly named timestamp columns with no documentation of what each represents. Column descriptions give Genie the business meaning it needs to pick the right column for "signed up". B . Incorrect. Sample date values do not clarify which column represents signup versus modification; the values in both columns look the same (dates), so a value dictionary does not resolve the ambiguity. C . Incorrect. Enumerating every possible phrasing does not scale and does not address the root cause, which is that the columns themselves are undocumented. D . Incorrect. Renaming columns is a schema change outside typical metadata configuration and is unnecessary when a column description can resolve the ambiguity without touching the underlying table. E . Incorrect. `created_at` and `updated_at` are two attributes of the same row, not two separate tables needing a join relationship; cardinality configuration is not applicable here.