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CREATE TABLE `countries` ( `id` tinyint(1) unsigned NOT NULL AUTO_INCREMENT, `name` varchar(255) NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `name_uq` (`name`) ); CREATE TABLE `cities` ( `id` smallint(1) unsigned NOT NULL AUTO_INCREMENT, `country_id` tinyint(1) unsigned NOT NULL, `name` varchar(255) NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `name_uq` (`name`), INDEX `country_id_ix` (`country_id`) );
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