The LEFT JOIN keyword returns all records from the left table (table1), and the matching records from the right table (table2). The result is 0 records from the right side, if there is no match.

The LEFT JOIN command returns all rows from the left table, and the matching rows from the right table. The result is NULL from the right side, if there is no match.

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Note: The LEFT JOIN keyword returns all records from the left table (Customers), even if there are no matches in the right table (Orders).

The LEFT JOIN command returns all rows from the left table, and the matching rows from the right table. The result is NULL from the right side, if there is no match.

The LEFT JOIN keyword selects ALL records from the "left" table, and the matching records from the "right" table. The result is 0 records from the right side if there is no match.

Note: The INNER JOIN keyword returns only rows with a match in both tables. Which means that if you have a product with no CategoryID, or with a CategoryID that is not present in the Categories table, …

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Different Types of Joins Here are the different types of the Joins in PostgreSQL: INNER JOIN: Returns records that have matching values in both tables LEFT JOIN: Returns all records from the left table, …