ALL function in sql code example
Example 1: sql any
Returns true if any of the subquery values meet the given condition.
Example: Returns products from the products table which have received
orders – stored in the orders table – with a quantity of more than 5.
SELECT name
FROM products
WHERE productId = ANY (SELECT productId FROM orders WHERE
quantity > 5);
Example 2: sql all
Returns true if all of the subquery values meet the passed condition.
Example: Returns the users with a higher number of tasks than the user
with the highest number of tasks in the HR department (id 2)
SELECT first_name, surname, tasks_no
FROM users
WHERE tasks_no > ALL (SELECT tasks FROM user WHERE
department_id = 2);