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postgreSQL-joins

5 posts

PostgreSQL - Joins

Last Updated: 28 October 2024

The PostgreSQL JOIN statement is a powerful tool for combining data or rows from one or more tables based on a common field between them. These common fields are typically...read more

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postgreSQL-joins

PostgreSQL - INNER JOIN

Last Updated: 19 September 2023

In PostgreSQL the INNER JOIN keyword selects all rows from both the tables as long as the condition satisfies. This keyword will create the result-set by combining all row...read more

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postgreSQL-joins

PostgreSQL - LEFT JOIN

Last Updated: 13 November 2024

In PostgreSQL, the LEFT JOIN (or LEFT OUTER JOIN) is a powerful tool that allows you to merge data from two tables based on a related column. With a LEFT JOIN, you get all...read more

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postgreSQL-joins

PostgreSQL - SELF JOIN

Last Updated: 05 November 2024

In PostgreSQL, a SELF JOIN is a powerful technique that allows us to join a table with itself. This type of join is particularly useful for comparing rows within the same ...read more

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postgreSQL-joins

PostgreSQL - FULL OUTER JOIN

Last Updated: 04 November 2024

In PostgreSQL, the FULL OUTER JOIN is a powerful feature that combines the effects of both LEFT JOIN and RIGHT JOIN. This join operation retrieves all rows from both table...read more

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postgreSQL-joins