data-practitioner video for you are working with a dataset in BigQuery that contains multiple columns with potential duplicate and NULL values. Your goal is to
You are working with a dataset in BigQuery that contains multiple columns with potential duplicate and NULL values. Your goal is to ensure each row in your table is unique based on the combination of user_id and timestamp columns, and remove any NULL values in these fields. Which approach is best suited for accomplishing this data cleaning task in BigQuery?