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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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create table tbl ( id int, code text, number int ); insert into tbl (id, code, number) values (1, 'A', 21), (2, 'B', 23), (2, 'B', 23), (4, 'D', 22), (5, 'E', 25), (6, 'G', 26), (5, 'E', 25); delete FROM tbl where id not in( SELECT id, code, number, ROW_NUMBER() OVER(PARTITION BY code, number ORDER BY id) dell FROM tbl) as inq WHERE dell = 1; select * from tbl
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MySQL 5.7
MySQL 5.7 Sakila (ReadOnly)
MySQL 8.0
MySQL 8.0 Sakila (ReadOnly)
MariaDB 11.5
SQLite 3
SQLite 3 Preloaded
PostgreSQL 10 Bookings (ReadOnly)
PostgreSQL 11
PostgreSQL 12
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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Firebird 4.0 (Employee)
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Oracle Database 21c
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