text: CREATE TABLE `population_time` (
    `a` varchar(45) DEFAULT NULL COMMENT '기준_년_코드',
    `b` varchar(45) DEFAULT NULL COMMENT '기준_분기_코드',
    `c` varchar(45) DEFAULT NULL COMMENT '상권_구분_코드',
    `d` varchar(45) DEFAULT NULL COMMENT '상권_구분_코드_명',
    `e` varchar(45) DEFAULT NULL COMMENT '상권_코드',
    `f` varchar(45) DEFAULT NULL COMMENT '상권_코드_명',
    `g` varchar(45) DEFAULT NULL COMMENT '총_유동인구_수',
    `h` varchar(45) DEFAULT NULL COMMENT '남성_유동인구_수',
    `i` varchar(45) DEFAULT NULL COMMENT '여성_유동인구_수',
    `j` varchar(45) DEFAULT NULL COMMENT '시간대_1_유동인구_수',
    `k` varchar(45) DEFAULT NULL COMMENT '시간대_2_유동인구_수',
    `l` varchar(45) DEFAULT NULL COMMENT '시간대_3_유동인구_수',
    `m` varchar(45) DEFAULT NULL COMMENT '시간대_4_유동인구_수',
    `n` varchar(45) DEFAULT NULL COMMENT '시간대_5_유동인구_수',
    `o` varchar(45) DEFAULT NULL COMMENT '시간대_6_유동인구_수',
    `p` varchar(45) DEFAULT NULL COMMENT '월요일_유동인구_수',
    `q` varchar(45) DEFAULT NULL COMMENT '화요일_유동인구_수',
    `r` varchar(45) DEFAULT NULL COMMENT '수요일_유동인구_수',
    `s` varchar(45) DEFAULT NULL COMMENT '목요일_유동인구_수',
    `t` varchar(45) DEFAULT NULL COMMENT '금요일_유동인구_수',
    `u` varchar(45) DEFAULT NULL COMMENT '토요일_유동인구_수',
    `v` varchar(45) DEFAULT NULL COMMENT '일요일_유동인구_수'
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
  
  
  LOAD DATA INFILE 'C:/ProgramData/MySQL/MySQL Server 8.0/Uploads/populationByTime.csv'
  INTO TABLE populationage CHARACTER SET UTF8
  FIELDS TERMINATED BY ','
  ENCLOSED BY '"'
  LINES TERMINATED BY '\r\n'
  IGNORE 1 LINES;
  
  -- businesschange --
  CREATE TABLE `businesschange` (
    `a` varchar(45) DEFAULT NULL,
    `b` varchar(45) DEFAULT NULL,
    `c` varchar(45) DEFAULT NULL,
    `d` varchar(45) DEFAULT NULL,
    `e` varchar(45) DEFAULT NULL,
    `f` varchar(45) DEFAULT NULL,
    `g` varchar(45) DEFAULT NULL,
    `h` varchar(45) DEFAULT NULL,
    `i` varchar(45) DEFAULT NULL,
    `j` varchar(45) DEFAULT NULL
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci