批量修改表前缀 | mysql代码速记 | mysql 技术论坛-大发黄金版app下载
select
    concat(
        'alter table ',
        table_name,
        ' rename to bk',
        substring(table_name, 5),
        ';'
    )
from
    information_schema. tables
where
    table_name like 'base_%';