CREATE TABLE IF NOT EXISTS `tb_relation_account` ( `id` INTEGER, `user_name` VARCHAR(100), `age` Integer, PRIMARY KEY(id) ); CREATE TABLE IF NOT EXISTS `tb_idcard` ( `account_id` Integer, `card_no` VARCHAR(100), `content` text ); CREATE TABLE IF NOT EXISTS `tb_idcard_mapping` ( `account_id` Integer, `idcard_id` Integer ); CREATE TABLE IF NOT EXISTS `tb_book` ( `id` INTEGER, `account_id` Integer, `title` VARCHAR(100), `content` text, PRIMARY KEY(id) ); CREATE TABLE IF NOT EXISTS `tb_role` ( `id` INTEGER, `name` VARCHAR(100), PRIMARY KEY(id) ); CREATE TABLE IF NOT EXISTS `tb_role_mapping` ( `account_id` INTEGER , `role_id` INTEGER ); CREATE TABLE IF NOT EXISTS `tb_menu` ( `id` INTEGER, `parent_id` INTEGER, `name` VARCHAR(100), PRIMARY KEY(id) );