-- ----------------------------
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-- 课程学习学习日志表
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-- ----------------------------
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drop table if exists `train_exam`.`ex_student_study`;
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CREATE TABLE `train_exam`.`ex_student_study` (
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`id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键' ,
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`phase_id` bigint(20) NOT NULL COMMENT '课时批次id',
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`course_id` bigint(20) NOT NULL COMMENT '课程id',
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`chapter_id` bigint(20) NOT NULL COMMENT '章节id',
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`period_id` bigint(20) NOT NULL COMMENT '课时id',
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`student_id` bigint(20) NOT NULL COMMENT '学员id',
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`current_duration` bigint(20) NOT NULL DEFAULT 0 COMMENT '当前学习时长，单位秒',
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`current_page` int NOT NULL DEFAULT 0 COMMENT '当前学习页数，单位页',
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`progress` decimal(5, 2) NOT NULL DEFAULT 0 COMMENT '进度(百分比)',
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`resource_type` varchar(10) NOT NULL COMMENT '资源类型(PPT,MP4,PDF)',
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`create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`create_by` varchar(50) NULL DEFAULT NULL COMMENT '创建人',
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`update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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`update_by` varchar(50) NULL DEFAULT NULL COMMENT '更新人',
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`remark` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '备注',
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`version` int NULL DEFAULT 0 COMMENT '乐观锁',
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PRIMARY KEY (`id`) USING BTREE,
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UNIQUE INDEX `uk_student_peroid`(`phase_id`, `period_id`, `student_id`) USING BTREE
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) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '课程学习学习日志表' ROW_FORMAT = DYNAMIC;
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