-- 语音评测内容表
DROP TABLE IF EXISTS `voice_evaluation_content`;
CREATE TABLE `voice_evaluation_content` (
  `id` bigint NOT NULL AUTO_INCREMENT COMMENT '内容ID',
  `title` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '标题',
  `content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '内容（课文或文字）',
  `difficulty` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT 'medium' COMMENT '难度（easy-简单，medium-中等，hard-困难）',
  `sort_order` int DEFAULT 0 COMMENT '排序（数字越小越靠前）',
  `status` tinyint DEFAULT 1 COMMENT '状态（0-禁用，1-启用）',
  `create_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '创建者',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  `update_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '更新者',
  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
  `remark` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '备注',
  PRIMARY KEY (`id`),
  KEY `idx_status` (`status`),
  KEY `idx_sort_order` (`sort_order`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='语音评测内容表';