Use this MySQL command to show further info about a table:

SHOW CREATE TABLE tags;

Growing Rails Applications in Practice

Check out our e-book. Learn to structure large Ruby on Rails codebases with the tools you already know and love.

• Introduce design conventions for controllers and user-facing models
• Create a system for growth
• Build applications to last

Read more Show archive.org snapshot

This will output a table schema like this:

CREATE TABLE `tags` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `index_tags_on_name` (`name`)
) ENGINE=InnoDB AUTO_INCREMENT=60 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci