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create table products ( id int primary key auto_increment, name varchar(255) ); create table prices ( price_date date, product_id int, price decimal(9,2) ); insert into prices WITH RECURSIVE cte AS ( SELECT curdate() as day, round(rand()*10)+1, round(rand()*10000)/100 as price UNION ALL SELECT date_add(cte.day, interval 1 day), round(rand()*10)+1, round(rand()*10000)/100 as price FROM cte WHERE day < '2021-12-31' ) SELECT * FROM cte; select * from prices;
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