PostgreSQL Tutorial

Listing Data Only in table1 and Not in table2 in PostgreSQL

A guide on how to list data only present in `table1` and not in `table2` in PostgreSQL, using the `LEFT JOIN` method and filtering.
Listing Common Data from Two Tables Based on Foreign Key in PostgreSQL

A guide on how to list common data from two tables in PostgreSQL based on a foreign key, utilizing the JOIN statement for efficient querying.
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