Igor Korot <ikorot01@gmail.com> writes:
> Does the list shown in
> https://www.postgresql.org/docs/current/multibyte.html#MULTIBYTE-CHARSET-SUPPORTED
> stored somewhere in INFORMATION_SCHEMA?
No, the SQL standard doesn't specify any such view.
You could try
# select n, pg_encoding_to_char(n) from generate_series(0,50) n;
n | pg_encoding_to_char
----+---------------------
0 | SQL_ASCII
1 | EUC_JP
2 | EUC_CN
3 | EUC_KR
4 | EUC_TW
5 | EUC_JIS_2004
6 | UTF8
...
regards, tom lane
