 
CREATE TABLE nguoi_dung (
id INT AUTO_INCREMENT PRIMARY KEY,
ten_dang_nhap VARCHAR(50),
mat_khau VARCHAR(255)
);

CREATE TABLE mau_giam_dinh (
id INT AUTO_INCREMENT PRIMARY KEY,
ten_file VARCHAR(255)
);

CREATE TABLE tep_dinh_kem (
id INT AUTO_INCREMENT PRIMARY KEY,
mau_id INT,
ten_file VARCHAR(255),
duong_dan VARCHAR(255),
hash_sha256 VARCHAR(64)
);
