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BigQuery Joins: LEFT, RIGHT, FULL OUTER, and CROSS Joins | SQL JOINS Interview Questions
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Загружено: 2025-10-19
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BigQuery Joins: LEFT, RIGHT, FULL OUTER, and CROSS Joins | SQL JOINS Interview Questions
A LEFT JOIN returns all rows from the left table and the matching rows from the right table.
A RIGHT JOIN returns all rows from the right table and the matching rows from the left table. It is the logical inverse of a LEFT JOIN.
A FULL OUTER JOIN returns all rows when there is a match in either the left or the right table.
A CROSS JOIN produces the Cartesian product of the two tables.
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