Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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CREATE TABLE products (
ID INT, NEW_IMAGE VARCHAR(255)
);
INSERT INTO products (ID) VALUES (11), (22);
CREATE TABLE images (
ID INT, PRODUCT_ID INT, FILENAME VARCHAR(64)
);
INSERT INTO images VALUES (1, 11, '1.jpg'), (2, 11, '2.jpg'), (3, 22, '3.jpg');
UPDATE products
JOIN (
SELECT
PRODUCT_ID,
GROUP_CONCAT(FILENAME SEPARATOR '","') IMAGES
FROM images
GROUP BY PRODUCT_ID
) images ON images.PRODUCT_ID = products.ID
SET NEW_IMAGE = CONCAT('["', IMAGES, '"]');
SELECT * FROM products;
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