demo=> create table demo (content varchar);
CREATE TABLE
demo=> \d demo
                     Table "public.demo"
 Column  |       Type        | Collation | Nullable | Default 
---------+-------------------+-----------+----------+---------
 content | character varying |           |          | 

demo=> insert into demo (content) values ('δφεΔΦΕ');
INSERT 0 1
demo=> insert into demo (content) values ('aaaaaa');
INSERT 0 1
demo=> select * from demo;
 content 
---------
 δφεΔΦΕ
 aaaaaa
(2 rows)