/SQL/Mysql two column combination unique

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`)
);

Source: stackoverflow.com

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;

Similar codes

1 vote342 views1 answer
Increase existing date in sql oracle
SQL
0 vote295 views0 answer
How to connect to datbase in springboot
SQL
0 vote354 views1 answer
Report in database
SQL
0 vote336 views1 answer
Access denied for user 'root'@'localhost' workbench ubuntu
SQL
0 vote346 views1 answer
Php delete database
SQL
10 votes375 views2 answers
Oracle alter sequence nextval
SQL
0 vote369 views1 answer
Xamarin sql lite create table if not exist
SQL
0 vote358 views1 answer
Select all columns except one sql
SQL
0 vote371 views1 answer
Tsql table column constraint must be uppercase
SQL
0 vote353 views1 answer
Python sqlalchemy orm to select null values
SQL