In the context of incremental data processing within Azure Databricks, consider a scenario where a data engineer is tasked with updating a customer database. The database must be updated with new customer information daily, without altering the existing table schema. Additionally, the solution must ensure data integrity and minimize operational costs. Which of the following commands should the data engineer use to achieve these requirements, and why? Choose the best option from the following: | Databricks Certified Data Engineer - Associate Quiz