INSERT INTO tbl_name [f1, f2,...] VALUES ('value1', 'value2',...), ('value1', 'value2',...)

INSERT INTO products (title, category_id) VALUES ('Product 5', 1);
INSERT INTO products (title, category_id) VALUES ('Product 6', 2), ('Product 7', 1);

UPDATE tbl_name SET f1 = 'v1', f2 = 'v2', ... WHERE id = ?;
UPDATE products SET title = 'Product new title', category_id = 5 WHERE id = 4;

DELETE FROM tbl_name;

DELETE FROM products WHERE id > 4;
DELETE FROM products;
