-- ----------------------------
-- 公司课时变更记录表
-- ----------------------------
CREATE TABLE `train_exam`.`ex_company_period`  (
`id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键' ,
`company_id` bigint NOT NULL COMMENT '公司id',
`phase_id` bigint  NULL COMMENT '批次id',
`origin` varchar(50) NOT NULL COMMENT '变动来源',
`modify_period` bigint(20) NOT NULL COMMENT '变动情况(增减课时)秒',
`remain_period` bigint(20) NOT NULL COMMENT '变动后剩余(秒)',
`create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`create_by` varchar(50) NULL DEFAULT NULL COMMENT '创建人',
`update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
`update_by` varchar(50) NULL DEFAULT NULL COMMENT '更新人',
`remark` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '备注',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '公司课时变更记录表' ROW_FORMAT = DYNAMIC;