hi, i have a problem not knowing how to fix . the follwing are error information:
" guo@guo-desktop:~$ su Password: root@guo-desktop:/home/guo# su - postgres postgres@guo-desktop:~$ psql psql: FATAL: database "postgres" does not exist postgres@guo-desktop:~$ createdb test createdb: could not connect to database postgres: FATAL: database "postgres" does not exist
" i thought it was due to postgresql ,so i reinstall it ,still not work. i search the problem from the internet, but don't get it . need your help. thank you!