Thankyou, Michael, Nagayasu-san, Ishii-san, and Joshua. Your reply gave me
energy!
I'm relieved to know that community people use Emacs for editing SGML/XML.
My main editor on Linux is Emacs.
These days, there is a lot of discussion and activity to make Postgres
better at scaling out. There are discussions about backporting stuff
from XC/XL back to core, though that's a tough work. This thread is a
good summary of what is happening lately in this area:
http://www.postgresql.org/message-id/20160223164335.GA11285@momjian.us
Cool, exciting to know this!
Regards
MauMau