REPEAT

REPEAT(cadena, veces)

SELECT REPEAT('Ha', 3) AS resultado;

SELECT REPEAT('*', 10) AS estrellas;

SELECT REPEAT('-', 40) AS linea;

SELECT
    nombre,
    stock,
    REPEAT('█', LEAST(stock / 10, 15)) AS barra
FROM productos
LIMIT 5;

SELECT
    p.nombre,
    r.puntuacion,
    REPEAT('★', r.puntuacion) AS estrellas
FROM resenas r
JOIN productos p ON r.producto_id = p.id
LIMIT 5;

SELECT
    REPEAT('X', 0) AS cero,
    REPEAT('X', -1) AS negativo,
    LENGTH(REPEAT('X', 0)) AS longitud;

SELECT REPEAT(NULL, 5) AS resultado;