마리아 디비날짜

  	, DATE_FORMAT(RECRSTTDT, '%Y.%m.%d') AS RECRSTTDT
         	, DATE_FORMAT(RECRENDDT, '%Y.%m.%d') AS RECRENDDT
         	, PRGRSSTEP
         	, USAGEYORN
         -- 주석	, TIMESTAMPDIFF(MONTH , DATE_FORMAT(RECRSTTDT, '%Y.%m.%d'),DATE_FORMAT(RECRENDDT, '%Y.%m.%d')) AS DIFF