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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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EXPLAIN ANALYZE SELECT NULL FROM generate_series(1, 2000) s WHERE s BETWEEN 45 AND 54; EXPLAIN ANALYZE SELECT NULL FROM generate_series(1, 2000) s WHERE s IN (45, 46, 47, 48, 49, 50, 51, 52, 53, 54);

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