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A data analyst needs to enrich customer data in a Snowflake database with demographic information obtained from the Snowflake Marketplace. The purchased listing provides data as a secure view Which of the following SQL commands is the MOST efficient and secure way to create a new table in the data analyst's database that combines customer data with the demographic information from the Marketplace listing, while ensuring that only necessary columns from the Marketplace data are included?
Correct Answer: D
Option D is the most efficient and secure because: it creates a new table or replaces if one exists, it explicitly selects only the necessary columns (age, income) from the Marketplace view, preventing unnecessary data exposure. It also explicitly uses JOIN condition. A new table has to created instead of view for persistence and to prevent recomputing of the data on frequent requests.