Associate Data Practitioner

By Google · Question Mode

QuestionQ17

Data Preparation and Ingestion

You are a data analyst at your organization and have been given a BigQuery dataset containing customer information. The dataset has inconsistencies and errors, including missing values, duplicates, and formatting issues. You need to clean the data effectively and quickly. What should you do?

Explanation

BigQuery can clean and transform data in place with GoogleSQL expressions and data-manipulation features. SQL functions can standardize formats and handle missing values, while query logic can identify or remove duplicates, making direct BigQuery transformation the fastest appropriate approach for data already stored there.

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