-- mysql 테이블 형식 추출 쿼리

SELECT
   t1.table_name, ORDINAL_POSITION, column_name 'Column Name', COLUMN_TYPE 'COLUMN TYPE', column_key 'Key',
   case
when is_nullable = 'YES' THEN 'Y'
    when is_nullable = 'NO' THEN 'N'
   END AS 'Null able',
   column_default 'Default Value', column_comment 'Comment',t1.table_comment,extra 'Extra'
FROM
   (SELECT
       table_name, table_comment
    FROM
       information_schema.TABLES WHERE table_schema='데이터베이스 이름') t1,
   (SELECT
       table_name,ORDINAL_POSITION, column_name, COLUMN_TYPE,column_key, extra, is_nullable, column_default, column_comment
    FROM
       information_schema.COLUMNS WHERE table_schema='데이터베이스 이름') t2
WHERE
    t1.table_name = t2.table_name
ORDER BY
    t1.table_name, ordinal_position;

-- mysql 테이블 추출 쿼리
SELECT
  ORDINAL_POSITION '필드순번',
  COLUMN_NAME '필드명',
  DATA_TYPE '데이터 TYPE',
  COLUMN_TYPE '데이터 LENGTH',
  COLUMN_KEY 'KEY',
  IS_NULLABLE 'NULL값여부',
  EXTRA '자동여부',
  COLUMN_DEFAULT '디폴트값',
  COLUMN_COMMENT '필드설명'
FROM
  `information_schema`.COLUMNS
WHERE
  TABLE_SCHEMA = '데이터베이스 이름'
  AND TABLE_NAME = '테이블 명'
ORDER BY
  TABLE_NAME, ORDINAL_POSITION