On  norikoEnWP:

0. staus: plugins:  akismet;  themes: twentythirteen(running), twentytwelve;  database table_prefix=’wpnoriko_’

1.phpMyAdmin:   all the wpnoriko_ tabels : 空にする(truncate).  size は０にならないけれど、行数は０になる。

2. cannot login: Error establishing a database connection, cannot open the homepage either.

3. I suppose I did too much. For the time, I give up rescue this site.