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A data engineer has been asked to develop a nightly batch job for workforce productivity analytics. The job will process events of employees productivity of the previous day, and store the performance of each employee in the Delta table “employees_performance“. The table has the following schema: "date DATE, employee_id STRING, rating DOUBLE" The data engineering team wants data to be stored in the table with the ability to compare employees' performance across time. Which of the following code blocks accomplishes this task ?