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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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WITH tmp AS ( SELECT category_id, film_id, COUNT(*) AS rentals_count, DENSE_RANK() OVER ( PARTITION BY category_id ORDER BY COUNT(*) DESC ) d_rank FROM inventory i JOIN rental USING(inventory_id) JOIN film_category fc USING(film_id) WHERE YEAR(rental_date) = '2005' GROUP BY category_id, film_id ) SELECT name AS category, GROUP_CONCAT(title ORDER BY title) AS most_rented_films, rentals_count FROM tmp JOIN film USING(film_id) JOIN category USING(category_id) WHERE d_rank = 1 GROUP BY name, rentals_count
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MariaDB 11.4
MariaDB 11.5
MariaDB 10
MariaDB 10 Sakila (ReadOnly)
MySQL 5.7
MySQL 5.7 Sakila (ReadOnly)
MySQL 8.0
MySQL 8.0 Sakila (ReadOnly)
SQLite 3
PostgreSQL 10 Bookings (ReadOnly)
PostgreSQL 11
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PostgreSQL 13
PostgreSQL 14
PostgreSQL 15
MS SQL Server 2017
MS SQL Server 2019
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MS SQL Server 2022 AdventureWorks (ReadOnly)
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Oracle Database 19c (HR)
Oracle Database 21c
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