<ul><li>SQL is used in Google BigQuery to interact with datasets and retrieve data.</li><li>The basic and commonly used SQL statement SELECT * FROM `project.dataset.table`; fetches all columns and rows from a specified table.</li><li>Components of the SELECT statement include SELECT * (all columns), FROM (source table), and the fully qualified table name in BigQuery.</li><li>Before executing a query in BigQuery, the Query Editor provides an estimate of the amount of data the query will process, displayed in the top right corner.</li></ul>

Estimating BigQuery Data Processed Before Running a Query

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