mysql two column combination unique
CREATE TABLE `content_html` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`id_box_elements` int(11) DEFAULT NULL,
`id_router` int(11) DEFAULT NULL,
`content` mediumtext COLLATE utf8_czech_ci NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `id_box_elements` (`id_box_elements`,`id_router`)
);mysql unique two columns
CREATE TABLE IF NOT EXISTS cliente (
id bigint primary key auto_increment,
nome varchar(100) not null,
email varchar(100) not null unique,
senha varchar(255) not null,
documento varchar(50) not null unique,
dataCadastro date not null
) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;Copyright © 2021 Codeinu
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