SQL

greater than or equal to symbol in postgres

SELECT *
FROM products
WHERE product_id >= 50;

lesser than or equal to symbol in postgres

SELECT *
FROM inventory
WHERE inventory_id <= 25;

GREATER THAN ALL POSTGRES

SELECT
    film_id,
    title,
    length
FROM
    film
WHERE
    length > ALL (
            SELECT
                ROUND(AVG (length),2)
            FROM
                film
            GROUP BY
                rating
    )
ORDER BY
    length;
Code language: SQL (Structured Query Language) (sql)