BigQuery streamlines the data science process by allowing data scientists to efficiently query, analyze, and model extensive datasets. Its compatibility with Google Cloud's machine learning tools simplifies the training and deployment of models right within the BigQuery environment. By leveraging SQL and sophisticated analytics, data scientists can create predictive models that enable teams to make informed, data-driven choices. New users are offered $300 in complimentary credits to delve into BigQuery's data science features, which aids in speeding up their projects and extracting meaningful insights from vast amounts of data. Additionally, this integration fosters smooth collaboration between data scientists and various business units, enhancing overall efficiency.