mysql 批量修改字段名为小写.

SELECT concat('ALTER TABLE '
           , '表名'
           , ' CHANGE COLUMN '
           , COLUMN_NAME, ' '
           , LOWER(COLUMN_NAME)
           , ' '
           , COLUMN_TYPE
           , ' COMMENT '''
           , COLUMN_COMMENT
           , ''';') AS '修改脚本'
FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = '数据库名'
  and TABLE_NAME = '表名';

修改数据表名为小写.
SELECT
concat( 'alter table ', TABLE_NAME, ' rename to ', LOWER( TABLE_NAME ), ';' ) AS '修改脚本'
FROM
information_schema.TABLES
WHERE
TABLE_SCHEMA = 'region'