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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 the database CREATE DATABASE IF NOT EXISTS attendance_db; USE attendance_db; -- Create the employees table CREATE TABLE IF NOT EXISTS employees ( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100) NOT NULL, contract_overtime BOOLEAN NOT NULL DEFAULT FALSE ); -- Insert sample data into employees table INSERT INTO employees (name, contract_overtime) VALUES ('Alice Smith', TRUE), ('Bob Johnson', FALSE), ('Charlie Brown', TRUE); -- Create the attendance table CREATE TABLE IF NOT EXISTS attendance ( id INT AUTO_INCREMENT PRIMARY KEY, employee_id INT NOT NULL, date DATE NOT NULL, clock_in DATETIME NOT NULL, clock_out DATETIME NOT NULL, FOREIGN KEY (employee_id) REFERENCES employees(id) ON DELETE CASCADE ); -- Insert sample data into attendance table INSERT INTO attendance (employee_id, date, clock_in, clock_out) VALUES (1, '2024-07-25', '2024-07-25 09:00:00', '2024-07-25 18:30:00'), (2, '2024-07-25', '2024-07-25 09:00:00', '2024-07-25 17:00:00'), (3, '2024-07-25', '2024-07-25 09:00:00', '2024-07-25 17:30:00');
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MariaDB 11.4
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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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MS SQL Server 2017
MS SQL Server 2019
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MS SQL Server 2022 AdventureWorks (ReadOnly)
Firebird 4.0
Firebird 4.0 (Employee)
Oracle Database 19c (HR)
Oracle Database 21c
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