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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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select first_name, salary, lpad(salary, 10, '#'), rpad(salary, 10, '*'), replace(first_name, 'en', 'a')
from employees
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