MySql 删除相同前缀的表名

SELECT
  CONCAT('drop table ', table_name, ';')
FROM
  information_schema.tables
WHERE table_name LIKE '表前缀%'
  AND table_schema = '表空间名'

　　批量修改表名：

SELECT
  CONCAT(
    'ALTER TABLE ',
    table_name,
    ' RENAME TO ',
    table_name,
    ';'
  )
FROM
  information_schema.tables
WHERE table_name LIKE 't_ci_%' ;