--create table
create 'customer','personal_data','purchase_history'
--insert data
put 'customer','row1','personal_data:name','john'
put 'customer','row1','personal_data:email','john@exampl   e.com'
put 'customer','row1','purchase_history:total_spent','500'
--get data
get,'customer','row1'
--delete data
delete 'customer','row1','personal_data:email'''''''''''''''''

queries.sql

CREATE TABLE continents (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(50) NOT NULL
);

INSERT INTO continents (name) VALUES
('Africa'),
('Antarctica'),
('Asia'),
('Europe'),
('North America'),
('South America'),
('Australia');