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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 employee table CREATE TABLE employee ( id INT PRIMARY KEY, name VARCHAR(50), age INT, CONSTRAINT chk_age CHECK (age >= 18) ); -- Add a column and constraint ALTER TABLE employee ADD salary DECIMAL(10,2), ADD CONSTRAINT chk_salary CHECK (salary >= 0); -- Drop a column and constraint ALTER TABLE employee DROP COLUMN age, DROP CONSTRAINT chk_age; -- Modify a column ALTER TABLE employee ALTER COLUMN name VARCHAR(100); -- Rename a column and table ALTER TABLE employee RENAME COLUMN name TO full_name; ALTER TABLE employee RENAME TO employee_info; -- Insert 2 records INSERT INTO employee_info (id, full_name, salary) VALUES (1, 'John Doe', 50000), (2, 'Jane Smith', 60000); -- Truncate table TRUNCATE TABLE employee_info; -- Drop table DROP TABLE employee_info;
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MariaDB 10 Sakila (ReadOnly)
MySQL 5.7
MySQL 5.7 Sakila (ReadOnly)
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MySQL 8.0 Sakila (ReadOnly)
SQLite 3
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MS SQL Server 2017
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Oracle Database 19c (HR)
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