64 lines
3.1 KiB
MySQL
64 lines
3.1 KiB
MySQL
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use school_news;
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-- 课程表
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DROP TABLE IF EXISTS `tb_course`;
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CREATE TABLE `tb_course` (
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`id` VARCHAR(50) NOT NULL COMMENT '课程ID',
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`course_id` VARCHAR(50) NOT NULL COMMENT '课程唯一标识',
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`name` VARCHAR(255) NOT NULL COMMENT '课程名称',
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`cover_image` VARCHAR(255) DEFAULT NULL COMMENT '课程封面图片',
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`description` TEXT COMMENT '课程描述',
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`content` LONGTEXT COMMENT '课程内容',
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`duration` INT(11) DEFAULT 0 COMMENT '课程时长（分钟）',
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`teacher` VARCHAR(100) DEFAULT NULL COMMENT '授课老师',
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`status` INT(4) DEFAULT 0 COMMENT '状态（0未上线 1已上线 2已下架）',
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`view_count` INT(11) DEFAULT 0 COMMENT '浏览次数',
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`learn_count` INT(11) DEFAULT 0 COMMENT '学习人数',
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`order_num` INT(4) DEFAULT 0 COMMENT '排序号',
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`creator` VARCHAR(50) DEFAULT NULL COMMENT '创建者',
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`updater` VARCHAR(50) DEFAULT NULL COMMENT '更新者',
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`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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`delete_time` TIMESTAMP NULL DEFAULT NULL COMMENT '删除时间',
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`deleted` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否删除',
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk_course_id` (`course_id`),
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KEY `idx_status` (`status`),
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KEY `idx_view_count` (`view_count`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='课程表';
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-- 课程章节表
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DROP TABLE IF EXISTS `tb_course_chapter`;
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CREATE TABLE `tb_course_chapter` (
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`id` VARCHAR(50) NOT NULL COMMENT '章节ID',
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`course_id` VARCHAR(50) NOT NULL COMMENT '课程ID',
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`name` VARCHAR(255) NOT NULL COMMENT '章节名称',
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`content` LONGTEXT COMMENT '章节内容',
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`video_url` VARCHAR(500) DEFAULT NULL COMMENT '视频URL',
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`duration` INT(11) DEFAULT 0 COMMENT '章节时长（分钟）',
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`order_num` INT(4) DEFAULT 0 COMMENT '排序号',
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`creator` VARCHAR(50) DEFAULT NULL COMMENT '创建者',
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`updater` VARCHAR(50) DEFAULT NULL COMMENT '更新者',
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`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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`delete_time` TIMESTAMP NULL DEFAULT NULL COMMENT '删除时间',
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`deleted` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否删除',
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PRIMARY KEY (`id`),
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KEY `idx_course` (`course_id`),
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KEY `idx_order` (`order_num`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='课程章节表';
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-- 课程标签关联表
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DROP TABLE IF EXISTS `tb_course_tag`;
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CREATE TABLE `tb_course_tag` (
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`id` VARCHAR(50) NOT NULL COMMENT '关联ID',
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`course_id` VARCHAR(50) NOT NULL COMMENT '课程ID',
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`tag_id` VARCHAR(50) NOT NULL COMMENT '标签ID',
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`creator` VARCHAR(50) DEFAULT NULL COMMENT '创建者',
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`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk_course_tag` (`course_id`, `tag_id`),
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KEY `idx_course` (`course_id`),
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KEY `idx_tag` (`tag_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='课程标签关联表';
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