Databricks Certified Data Engineer Professional DATA-ENGINEER-PROFESSIONAL — Question 37

A data team’s Structured Streaming job is configured to calculate running aggregates for item sales to update a downstream marketing dashboard. The marketing team has introduced a new promotion, and they would like to add a new field to track the number of times this promotion code is used for each item. A junior data engineer suggests updating the existing query as follows. Note that proposed changes are in bold. Original query: Proposed query: Which step must also be completed to put the proposed query into production?